81120719

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{1063}}^1$

素因数の和:1214

約数の個数: 12

約数和(自身を含む): 87275664

約数和(自身を除く): 6154945

約数列:

[1, 17, 67, 1063, 1139, 4489, 18071, 71221, 76313, 1210757, 4771807, 81120719]

約数ペア:

[(1, 81120719), (17, 4771807), (67, 1210757), (1063, 76313), (1139, 71221), (4489, 18071)]