56921907

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{38177}}^1$

素因数の和:38258

約数の個数: 16

約数和(自身を含む): 87962112

約数和(自身を除く): 31040205

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 38177, 114531, 267239, 801717, 2710567, 8131701, 18973969, 56921907]

約数ペア:

[(1, 56921907), (3, 18973969), (7, 8131701), (21, 2710567), (71, 801717), (213, 267239), (497, 114531), (1491, 38177)]