664757925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1667}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 1187215680

約数和(自身を除く): 522457755

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 409, 975, 1227, 1667, 2045, 5001, 5317, 6135, 8335, 10225, 15951, 21671, 25005, 26585, 30675, 41675, 65013, 79755, 108355, 125025, 132925, 325065, 398775, 541775, 681803, 1625325, 2045409, 3409015, 8863439, 10227045, 17045075, 26590317, 44317195, 51135225, 132951585, 221585975, 664757925]

約数ペア:

[(1, 664757925), (3, 221585975), (5, 132951585), (13, 51135225), (15, 44317195), (25, 26590317), (39, 17045075), (65, 10227045), (75, 8863439), (195, 3409015), (325, 2045409), (409, 1625325), (975, 681803), (1227, 541775), (1667, 398775), (2045, 325065), (5001, 132925), (5317, 125025), (6135, 108355), (8335, 79755), (10225, 65013), (15951, 41675), (21671, 30675), (25005, 26585)]