12789567

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2383

約数の個数: 24

約数和(自身を含む): 21359520

約数和(自身を除く): 8569953

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 2281, 5607, 6843, 15967, 20529, 47901, 143703, 203009, 609027, 1421063, 1827081, 4263189, 12789567]

約数ペア:

[(1, 12789567), (3, 4263189), (7, 1827081), (9, 1421063), (21, 609027), (63, 203009), (89, 143703), (267, 47901), (623, 20529), (801, 15967), (1869, 6843), (2281, 5607)]