26866413

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6991}}^1$

素因数の和:7065

約数の個数: 24

約数和(自身を含む): 45084416

約数和(自身を除く): 18218003

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 6991, 20973, 48937, 62919, 146811, 426451, 440433, 1279353, 2985157, 3838059, 8955471, 26866413]

約数ペア:

[(1, 26866413), (3, 8955471), (7, 3838059), (9, 2985157), (21, 1279353), (61, 440433), (63, 426451), (183, 146811), (427, 62919), (549, 48937), (1281, 20973), (3843, 6991)]