637921875

素因数分解:

$3^1\times 5^6\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 56

約数和(自身を含む): 1099985920

約数和(自身を除く): 462064045

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 439, 465, 625, 775, 1317, 1875, 2195, 2325, 3125, 3875, 6585, 9375, 10975, 11625, 13609, 15625, 19375, 32925, 40827, 46875, 54875, 58125, 68045, 96875, 164625, 204135, 274375, 290625, 340225, 484375, 823125, 1020675, 1371875, 1453125, 1701125, 4115625, 5103375, 6859375, 8505625, 20578125, 25516875, 42528125, 127584375, 212640625, 637921875]

約数ペア:

[(1, 637921875), (3, 212640625), (5, 127584375), (15, 42528125), (25, 25516875), (31, 20578125), (75, 8505625), (93, 6859375), (125, 5103375), (155, 4115625), (375, 1701125), (439, 1453125), (465, 1371875), (625, 1020675), (775, 823125), (1317, 484375), (1875, 340225), (2195, 290625), (2325, 274375), (3125, 204135), (3875, 164625), (6585, 96875), (9375, 68045), (10975, 58125), (11625, 54875), (13609, 46875), (15625, 40827), (19375, 32925)]