643023357

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{20261}}^1$

素因数の和:20484

約数の個数: 16

約数和(自身を含む): 875318400

約数和(自身を除く): 232295043

約数列:

[1, 3, 71, 149, 213, 447, 10579, 20261, 31737, 60783, 1438531, 3018889, 4315593, 9056667, 214341119, 643023357]

約数ペア:

[(1, 643023357), (3, 214341119), (71, 9056667), (149, 4315593), (213, 3018889), (447, 1438531), (10579, 60783), (20261, 31737)]