3121725

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 5222880

約数和(自身を除く): 2101155

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 389, 535, 1167, 1605, 1945, 2675, 5835, 8025, 9725, 29175, 41623, 124869, 208115, 624345, 1040575, 3121725]

約数ペア:

[(1, 3121725), (3, 1040575), (5, 624345), (15, 208115), (25, 124869), (75, 41623), (107, 29175), (321, 9725), (389, 8025), (535, 5835), (1167, 2675), (1605, 1945)]