31971927

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3367

約数の個数: 24

約数和(自身を含む): 48604800

約数和(自身を除く): 16632873

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 3319, 9633, 9957, 43147, 63061, 129441, 189183, 560911, 819793, 1682733, 2459379, 10657309, 31971927]

約数ペア:

[(1, 31971927), (3, 10657309), (13, 2459379), (19, 1682733), (39, 819793), (57, 560911), (169, 189183), (247, 129441), (507, 63061), (741, 43147), (3211, 9957), (3319, 9633)]