19645687575

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{3929}}^1$

素因数の和:4329

約数の個数: 72

約数和(自身を含む): 35806324320

約数和(自身を除く): 16160636745

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 313, 355, 639, 939, 1065, 1565, 1775, 2817, 3195, 3929, 4695, 5325, 7825, 11787, 14085, 15975, 19645, 22223, 23475, 35361, 58935, 66669, 70425, 98225, 111115, 176805, 200007, 278959, 294675, 333345, 555575, 836877, 884025, 1000035, 1229777, 1394795, 1666725, 2510631, 3689331, 4184385, 5000175, 6148885, 6973975, 11067993, 12553155, 18446655, 20921925, 30744425, 55339965, 62765775, 87314167, 92233275, 261942501, 276699825, 436570835, 785827503, 1309712505, 2182854175, 3929137515, 6548562525, 19645687575]

約数ペア:

[(1, 19645687575), (3, 6548562525), (5, 3929137515), (9, 2182854175), (15, 1309712505), (25, 785827503), (45, 436570835), (71, 276699825), (75, 261942501), (213, 92233275), (225, 87314167), (313, 62765775), (355, 55339965), (639, 30744425), (939, 20921925), (1065, 18446655), (1565, 12553155), (1775, 11067993), (2817, 6973975), (3195, 6148885), (3929, 5000175), (4695, 4184385), (5325, 3689331), (7825, 2510631), (11787, 1666725), (14085, 1394795), (15975, 1229777), (19645, 1000035), (22223, 884025), (23475, 836877), (35361, 555575), (58935, 333345), (66669, 294675), (70425, 278959), (98225, 200007), (111115, 176805)]