291275991

素因数分解:

$3^2\times {\mathrm{521}}^1\times {\mathrm{62119}}^1$

素因数の和:62646

約数の個数: 12

約数和(自身を含む): 421546320

約数和(自身を除く): 130270329

約数列:

[1, 3, 9, 521, 1563, 4689, 62119, 186357, 559071, 32363999, 97091997, 291275991]

約数ペア:

[(1, 291275991), (3, 97091997), (9, 32363999), (521, 559071), (1563, 186357), (4689, 62119)]