400725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 778596

約数和(自身を除く): 377871

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 137, 195, 225, 325, 411, 585, 685, 975, 1233, 1781, 2055, 2925, 3425, 5343, 6165, 8905, 10275, 16029, 26715, 30825, 44525, 80145, 133575, 400725]

約数ペア:

[(1, 400725), (3, 133575), (5, 80145), (9, 44525), (13, 30825), (15, 26715), (25, 16029), (39, 10275), (45, 8905), (65, 6165), (75, 5343), (117, 3425), (137, 2925), (195, 2055), (225, 1781), (325, 1233), (411, 975), (585, 685)]