31690043

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21661}}^1$

素因数の和:21698

約数の個数: 16

約数和(自身を含む): 41591040

約数和(自身を除く): 9900997

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21661, 151627, 238271, 411559, 1667897, 2880913, 4527149, 31690043]

約数ペア:

[(1, 31690043), (7, 4527149), (11, 2880913), (19, 1667897), (77, 411559), (133, 238271), (209, 151627), (1463, 21661)]