3131025

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 5237760

約数和(自身を除く): 2106735

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 383, 545, 1149, 1635, 1915, 2725, 5745, 8175, 9575, 28725, 41747, 125241, 208735, 626205, 1043675, 3131025]

約数ペア:

[(1, 3131025), (3, 1043675), (5, 626205), (15, 208735), (25, 125241), (75, 41747), (109, 28725), (327, 9575), (383, 8175), (545, 5745), (1149, 2725), (1635, 1915)]