78991425

素因数分解:

$3^2\times 5^2\times {\mathrm{569}}^1\times {\mathrm{617}}^1$

素因数の和:1202

約数の個数: 36

約数和(自身を含む): 141960780

約数和(自身を除く): 62969355

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 569, 617, 1707, 1851, 2845, 3085, 5121, 5553, 8535, 9255, 14225, 15425, 25605, 27765, 42675, 46275, 128025, 138825, 351073, 1053219, 1755365, 3159657, 5266095, 8776825, 15798285, 26330475, 78991425]

約数ペア:

[(1, 78991425), (3, 26330475), (5, 15798285), (9, 8776825), (15, 5266095), (25, 3159657), (45, 1755365), (75, 1053219), (225, 351073), (569, 138825), (617, 128025), (1707, 46275), (1851, 42675), (2845, 27765), (3085, 25605), (5121, 15425), (5553, 14225), (8535, 9255)]