40121781

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61631}}^1$

素因数の和:61672

約数の個数: 16

約数和(自身を含む): 63111168

約数和(自身を除く): 22989387

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 61631, 184893, 431417, 1294251, 1910561, 5731683, 13373927, 40121781]

約数ペア:

[(1, 40121781), (3, 13373927), (7, 5731683), (21, 1910561), (31, 1294251), (93, 431417), (217, 184893), (651, 61631)]