209127555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:650

約数の個数: 128

約数和(自身を含む): 474163200

約数和(自身を除く): 265035645

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 29, 35, 39, 45, 63, 65, 87, 91, 105, 117, 135, 145, 189, 195, 203, 261, 273, 315, 351, 377, 435, 455, 585, 587, 609, 783, 819, 945, 1015, 1131, 1305, 1365, 1755, 1761, 1827, 1885, 2457, 2639, 2935, 3045, 3393, 3915, 4095, 4109, 5283, 5481, 5655, 7631, 7917, 8805, 9135, 10179, 12285, 12327, 13195, 15849, 16965, 17023, 20545, 22893, 23751, 26415, 27405, 36981, 38155, 39585, 50895, 51069, 53417, 61635, 68679, 71253, 79245, 85115, 110943, 114465, 118755, 119161, 153207, 160251, 184905, 206037, 221299, 255345, 267085, 343395, 356265, 357483, 459621, 480753, 554715, 595805, 663897, 766035, 801255, 1030185, 1072449, 1106495, 1442259, 1549093, 1787415, 1991691, 2298105, 2403765, 3217347, 3319485, 4647279, 5362245, 5975073, 7211295, 7745465, 9958455, 13941837, 16086735, 23236395, 29875365, 41825511, 69709185, 209127555]

約数ペア:

[(1, 209127555), (3, 69709185), (5, 41825511), (7, 29875365), (9, 23236395), (13, 16086735), (15, 13941837), (21, 9958455), (27, 7745465), (29, 7211295), (35, 5975073), (39, 5362245), (45, 4647279), (63, 3319485), (65, 3217347), (87, 2403765), (91, 2298105), (105, 1991691), (117, 1787415), (135, 1549093), (145, 1442259), (189, 1106495), (195, 1072449), (203, 1030185), (261, 801255), (273, 766035), (315, 663897), (351, 595805), (377, 554715), (435, 480753), (455, 459621), (585, 357483), (587, 356265), (609, 343395), (783, 267085), (819, 255345), (945, 221299), (1015, 206037), (1131, 184905), (1305, 160251), (1365, 153207), (1755, 119161), (1761, 118755), (1827, 114465), (1885, 110943), (2457, 85115), (2639, 79245), (2935, 71253), (3045, 68679), (3393, 61635), (3915, 53417), (4095, 51069), (4109, 50895), (5283, 39585), (5481, 38155), (5655, 36981), (7631, 27405), (7917, 26415), (8805, 23751), (9135, 22893), (10179, 20545), (12285, 17023), (12327, 16965), (13195, 15849)]