208021905

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 482630400

約数和(自身を除く): 274608495

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 41, 45, 49, 59, 63, 65, 91, 105, 117, 123, 135, 147, 177, 189, 195, 205, 245, 273, 287, 295, 315, 351, 369, 413, 441, 455, 531, 533, 585, 615, 637, 735, 767, 819, 861, 885, 945, 1107, 1239, 1323, 1365, 1435, 1593, 1599, 1755, 1845, 1911, 2009, 2065, 2205, 2301, 2419, 2457, 2583, 2655, 2665, 2891, 3185, 3717, 3731, 3835, 4095, 4305, 4797, 5369, 5535, 5733, 6027, 6195, 6615, 6903, 7257, 7749, 7965, 7995, 8673, 9555, 10045, 11151, 11193, 11505, 12095, 12285, 12915, 14391, 14455, 16107, 16933, 17199, 18081, 18585, 18655, 20709, 21771, 23985, 26019, 26117, 26845, 28665, 30135, 31447, 33579, 34515, 36285, 37583, 38745, 43365, 48321, 50799, 54243, 55755, 55965, 65313, 71955, 78057, 78351, 80535, 84665, 85995, 90405, 94341, 100737, 103545, 108855, 112749, 118531, 130095, 130585, 144963, 152397, 157235, 167895, 187915, 220129, 235053, 241605, 253995, 271215, 283023, 326565, 338247, 355593, 390285, 391755, 457191, 471705, 503685, 563745, 592655, 660387, 705159, 724815, 761985, 849069, 1014741, 1066779, 1100645, 1175265, 1415115, 1540903, 1691235, 1777965, 1981161, 2285955, 3200337, 3301935, 3525795, 4245345, 4622709, 5073705, 5333895, 5943483, 7704515, 9905805, 13868127, 16001685, 23113545, 29717415, 41604381, 69340635, 208021905]

約数ペア:

[(1, 208021905), (3, 69340635), (5, 41604381), (7, 29717415), (9, 23113545), (13, 16001685), (15, 13868127), (21, 9905805), (27, 7704515), (35, 5943483), (39, 5333895), (41, 5073705), (45, 4622709), (49, 4245345), (59, 3525795), (63, 3301935), (65, 3200337), (91, 2285955), (105, 1981161), (117, 1777965), (123, 1691235), (135, 1540903), (147, 1415115), (177, 1175265), (189, 1100645), (195, 1066779), (205, 1014741), (245, 849069), (273, 761985), (287, 724815), (295, 705159), (315, 660387), (351, 592655), (369, 563745), (413, 503685), (441, 471705), (455, 457191), (531, 391755), (533, 390285), (585, 355593), (615, 338247), (637, 326565), (735, 283023), (767, 271215), (819, 253995), (861, 241605), (885, 235053), (945, 220129), (1107, 187915), (1239, 167895), (1323, 157235), (1365, 152397), (1435, 144963), (1593, 130585), (1599, 130095), (1755, 118531), (1845, 112749), (1911, 108855), (2009, 103545), (2065, 100737), (2205, 94341), (2301, 90405), (2419, 85995), (2457, 84665), (2583, 80535), (2655, 78351), (2665, 78057), (2891, 71955), (3185, 65313), (3717, 55965), (3731, 55755), (3835, 54243), (4095, 50799), (4305, 48321), (4797, 43365), (5369, 38745), (5535, 37583), (5733, 36285), (6027, 34515), (6195, 33579), (6615, 31447), (6903, 30135), (7257, 28665), (7749, 26845), (7965, 26117), (7995, 26019), (8673, 23985), (9555, 21771), (10045, 20709), (11151, 18655), (11193, 18585), (11505, 18081), (12095, 17199), (12285, 16933), (12915, 16107), (14391, 14455)]