72667521

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 106858440

約数和(自身を除く): 34190919

約数列:

[1, 3, 9, 89, 257, 267, 353, 771, 801, 1059, 2313, 3177, 22873, 31417, 68619, 90721, 94251, 205857, 272163, 282753, 816489, 8074169, 24222507, 72667521]

約数ペア:

[(1, 72667521), (3, 24222507), (9, 8074169), (89, 816489), (257, 282753), (267, 272163), (353, 205857), (771, 94251), (801, 90721), (1059, 68619), (2313, 31417), (3177, 22873)]