28015029

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7537}}^1$

素因数の和:7609

約数の個数: 24

約数和(自身を含む): 47037120

約数和(自身を除く): 19022091

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7537, 22611, 52759, 67833, 158277, 444683, 474831, 1334049, 3112781, 4002147, 9338343, 28015029]

約数ペア:

[(1, 28015029), (3, 9338343), (7, 4002147), (9, 3112781), (21, 1334049), (59, 474831), (63, 444683), (177, 158277), (413, 67833), (531, 52759), (1239, 22611), (3717, 7537)]