31647421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 36514800

約数和(自身を除く): 4867379

約数列:

[1, 13, 17, 89, 221, 1157, 1513, 1609, 19669, 20917, 27353, 143201, 355589, 1861613, 2434417, 31647421]

約数ペア:

[(1, 31647421), (13, 2434417), (17, 1861613), (89, 355589), (221, 143201), (1157, 27353), (1513, 20917), (1609, 19669)]