8991411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20986

約数の個数: 16

約数和(自身を含む): 14085120

約数和(自身を除く): 5093709

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 20959, 62877, 230549, 272467, 691647, 817401, 2997137, 8991411]

約数ペア:

[(1, 8991411), (3, 2997137), (11, 817401), (13, 691647), (33, 272467), (39, 230549), (143, 62877), (429, 20959)]