289786413

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{18229}}^1$

素因数の和:18996

約数の個数: 16

約数和(自身を含む): 442186880

約数和(自身を除く): 152400467

約数列:

[1, 3, 7, 21, 757, 2271, 5299, 15897, 18229, 54687, 127603, 382809, 13799353, 41398059, 96595471, 289786413]

約数ペア:

[(1, 289786413), (3, 96595471), (7, 41398059), (21, 13799353), (757, 382809), (2271, 127603), (5299, 54687), (15897, 18229)]