81335989

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 94348800

約数和(自身を除く): 13012811

約数列:

[1, 7, 139, 179, 467, 973, 1253, 3269, 24881, 64913, 83593, 174167, 454391, 585151, 11619427, 81335989]

約数ペア:

[(1, 81335989), (7, 11619427), (139, 585151), (179, 454391), (467, 174167), (973, 83593), (1253, 64913), (3269, 24881)]