25709481

素因数分解:

$3^4\times 7^1\times {\mathrm{45343}}^1$

素因数の和:45362

約数の個数: 20

約数和(自身を含む): 43892992

約数和(自身を除く): 18183511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45343, 136029, 317401, 408087, 952203, 1224261, 2856609, 3672783, 8569827, 25709481]

約数ペア:

[(1, 25709481), (3, 8569827), (7, 3672783), (9, 2856609), (21, 1224261), (27, 952203), (63, 408087), (81, 317401), (189, 136029), (567, 45343)]