13956825

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 23409216

約数和(自身を除く): 9452391

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 2621, 5325, 7863, 13105, 39315, 65525, 186091, 196575, 558273, 930455, 2791365, 4652275, 13956825]

約数ペア:

[(1, 13956825), (3, 4652275), (5, 2791365), (15, 930455), (25, 558273), (71, 196575), (75, 186091), (213, 65525), (355, 39315), (1065, 13105), (1775, 7863), (2621, 5325)]