54778815

素因数分解:

$3^3\times 5^1\times 7^4\times {\mathrm{13}}^2$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 123019920

約数和(自身を除く): 68241105

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 91, 105, 117, 135, 147, 169, 189, 195, 245, 273, 315, 343, 351, 441, 455, 507, 585, 637, 735, 819, 845, 945, 1029, 1183, 1323, 1365, 1521, 1715, 1755, 1911, 2205, 2401, 2457, 2535, 3087, 3185, 3549, 4095, 4459, 4563, 5145, 5733, 5915, 6615, 7203, 7605, 8281, 9261, 9555, 10647, 12005, 12285, 13377, 15435, 17199, 17745, 21609, 22295, 22815, 24843, 28665, 31213, 31941, 36015, 40131, 41405, 46305, 53235, 57967, 64827, 66885, 74529, 85995, 93639, 108045, 120393, 124215, 156065, 159705, 173901, 200655, 223587, 280917, 289835, 324135, 372645, 405769, 468195, 521703, 601965, 842751, 869505, 1117935, 1217307, 1404585, 1565109, 2028845, 2608515, 3651921, 4213755, 6086535, 7825545, 10955763, 18259605, 54778815]

約数ペア:

[(1, 54778815), (3, 18259605), (5, 10955763), (7, 7825545), (9, 6086535), (13, 4213755), (15, 3651921), (21, 2608515), (27, 2028845), (35, 1565109), (39, 1404585), (45, 1217307), (49, 1117935), (63, 869505), (65, 842751), (91, 601965), (105, 521703), (117, 468195), (135, 405769), (147, 372645), (169, 324135), (189, 289835), (195, 280917), (245, 223587), (273, 200655), (315, 173901), (343, 159705), (351, 156065), (441, 124215), (455, 120393), (507, 108045), (585, 93639), (637, 85995), (735, 74529), (819, 66885), (845, 64827), (945, 57967), (1029, 53235), (1183, 46305), (1323, 41405), (1365, 40131), (1521, 36015), (1715, 31941), (1755, 31213), (1911, 28665), (2205, 24843), (2401, 22815), (2457, 22295), (2535, 21609), (3087, 17745), (3185, 17199), (3549, 15435), (4095, 13377), (4459, 12285), (4563, 12005), (5145, 10647), (5733, 9555), (5915, 9261), (6615, 8281), (7203, 7605)]