9969375

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 17931760

約数和(自身を除く): 7962385

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 409, 625, 975, 1227, 1625, 1875, 2045, 4875, 5317, 6135, 8125, 10225, 15951, 24375, 26585, 30675, 51125, 79755, 132925, 153375, 255625, 398775, 664625, 766875, 1993875, 3323125, 9969375]

約数ペア:

[(1, 9969375), (3, 3323125), (5, 1993875), (13, 766875), (15, 664625), (25, 398775), (39, 255625), (65, 153375), (75, 132925), (125, 79755), (195, 51125), (325, 30675), (375, 26585), (409, 24375), (625, 15951), (975, 10225), (1227, 8125), (1625, 6135), (1875, 5317), (2045, 4875)]