81705171

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1766

約数の個数: 16

約数和(自身を含む): 111365280

約数和(自身を除く): 29660109

約数列:

[1, 3, 53, 159, 389, 1167, 1321, 3963, 20617, 61851, 70013, 210039, 513869, 1541607, 27235057, 81705171]

約数ペア:

[(1, 81705171), (3, 27235057), (53, 1541607), (159, 513869), (389, 210039), (1167, 70013), (1321, 61851), (3963, 20617)]