31294497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18661}}^1$

素因数の和:18720

約数の個数: 16

約数和(自身を含む): 45983168

約数和(自身を除く): 14688671

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 18661, 55983, 242593, 727779, 802423, 2407269, 10431499, 31294497]

約数ペア:

[(1, 31294497), (3, 10431499), (13, 2407269), (39, 802423), (43, 727779), (129, 242593), (559, 55983), (1677, 18661)]