438120675

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2801

約数の個数: 72

約数和(自身を含む): 845564928

約数和(自身を除く): 407444253

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 115, 155, 207, 225, 279, 345, 465, 575, 713, 775, 1035, 1395, 1725, 2139, 2325, 2731, 3565, 5175, 6417, 6975, 8193, 10695, 13655, 17825, 24579, 32085, 40965, 53475, 62813, 68275, 84661, 122895, 160425, 188439, 204825, 253983, 314065, 423305, 565317, 614475, 761949, 942195, 1269915, 1570325, 1947203, 2116525, 2826585, 3809745, 4710975, 5841609, 6349575, 9736015, 14132925, 17524827, 19048725, 29208045, 48680075, 87624135, 146040225, 438120675]

約数ペア:

[(1, 438120675), (3, 146040225), (5, 87624135), (9, 48680075), (15, 29208045), (23, 19048725), (25, 17524827), (31, 14132925), (45, 9736015), (69, 6349575), (75, 5841609), (93, 4710975), (115, 3809745), (155, 2826585), (207, 2116525), (225, 1947203), (279, 1570325), (345, 1269915), (465, 942195), (575, 761949), (713, 614475), (775, 565317), (1035, 423305), (1395, 314065), (1725, 253983), (2139, 204825), (2325, 188439), (2731, 160425), (3565, 122895), (5175, 84661), (6417, 68275), (6975, 62813), (8193, 53475), (10695, 40965), (13655, 32085), (17825, 24579)]