31287191

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 36225504

約数和(自身を除く): 4938313

約数列:

[1, 13, 17, 67, 221, 871, 1139, 2113, 14807, 27469, 35921, 141571, 466973, 1840423, 2406707, 31287191]

約数ペア:

[(1, 31287191), (13, 2406707), (17, 1840423), (67, 466973), (221, 141571), (871, 35921), (1139, 27469), (2113, 14807)]