90731511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20959}}^1$

素因数の和:21015

約数の個数: 24

約数和(自身を含む): 144959360

約数和(自身を除く): 54227849

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 20959, 62877, 188631, 272467, 775483, 817401, 2326449, 2452203, 6979347, 10081279, 30243837, 90731511]

約数ペア:

[(1, 90731511), (3, 30243837), (9, 10081279), (13, 6979347), (37, 2452203), (39, 2326449), (111, 817401), (117, 775483), (333, 272467), (481, 188631), (1443, 62877), (4329, 20959)]