31911945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4423}}^1$

素因数の和:4481

約数の個数: 32

約数和(自身を含む): 56485632

約数和(自身を除く): 24573687

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 4423, 7215, 13269, 22115, 57499, 66345, 163651, 172497, 287495, 490953, 818255, 862485, 2127463, 2454765, 6382389, 10637315, 31911945]

約数ペア:

[(1, 31911945), (3, 10637315), (5, 6382389), (13, 2454765), (15, 2127463), (37, 862485), (39, 818255), (65, 490953), (111, 287495), (185, 172497), (195, 163651), (481, 66345), (555, 57499), (1443, 22115), (2405, 13269), (4423, 7215)]