31139709

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 42612480

約数和(自身を除く): 11472771

約数列:

[1, 3, 47, 141, 269, 807, 821, 2463, 12643, 37929, 38587, 115761, 220849, 662547, 10379903, 31139709]

約数ペア:

[(1, 31139709), (3, 10379903), (47, 662547), (141, 220849), (269, 115761), (807, 38587), (821, 37929), (2463, 12643)]