31480787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 36140832

約数和(自身を除く): 4660045

約数列:

[1, 13, 17, 181, 221, 787, 2353, 3077, 10231, 13379, 40001, 142447, 173927, 1851811, 2421599, 31480787]

約数ペア:

[(1, 31480787), (13, 2421599), (17, 1851811), (181, 173927), (221, 142447), (787, 40001), (2353, 13379), (3077, 10231)]