3191025

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 5329024

約数和(自身を除く): 2137999

約数列:

[1, 3, 5, 15, 25, 75, 157, 271, 471, 785, 813, 1355, 2355, 3925, 4065, 6775, 11775, 20325, 42547, 127641, 212735, 638205, 1063675, 3191025]

約数ペア:

[(1, 3191025), (3, 1063675), (5, 638205), (15, 212735), (25, 127641), (75, 42547), (157, 20325), (271, 11775), (471, 6775), (785, 4065), (813, 3925), (1355, 2355)]