31681806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{406177}}^1$

素因数の和:406195

約数の個数: 16

約数和(自身を含む): 68237904

約数和(自身を除く): 36556098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 406177, 812354, 1218531, 2437062, 5280301, 10560602, 15840903, 31681806]

約数ペア:

[(1, 31681806), (2, 15840903), (3, 10560602), (6, 5280301), (13, 2437062), (26, 1218531), (39, 812354), (78, 406177)]