42561531

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{18119}}^1$

素因数の和:18160

約数の個数: 20

約数和(自身を含む): 65775600

約数和(自身を除く): 23214069

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 18119, 54357, 163071, 489213, 525451, 1467639, 1576353, 4729059, 14187177, 42561531]

約数ペア:

[(1, 42561531), (3, 14187177), (9, 4729059), (27, 1576353), (29, 1467639), (81, 525451), (87, 489213), (261, 163071), (783, 54357), (2349, 18119)]