15856875

素因数分解:

$3^2\times 5^4\times {\mathrm{2819}}^1$

素因数の和:2845

約数の個数: 30

約数和(自身を含む): 28631460

約数和(自身を除く): 12774585

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 2819, 5625, 8457, 14095, 25371, 42285, 70475, 126855, 211425, 352375, 634275, 1057125, 1761875, 3171375, 5285625, 15856875]

約数ペア:

[(1, 15856875), (3, 5285625), (5, 3171375), (9, 1761875), (15, 1057125), (25, 634275), (45, 352375), (75, 211425), (125, 126855), (225, 70475), (375, 42285), (625, 25371), (1125, 14095), (1875, 8457), (2819, 5625)]