211431507

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{22031}}^1$

素因数の和:22498

約数の個数: 16

約数和(自身を含む): 322900992

約数和(自身を除く): 111469485

約数列:

[1, 3, 7, 21, 457, 1371, 3199, 9597, 22031, 66093, 154217, 462651, 10068167, 30204501, 70477169, 211431507]

約数ペア:

[(1, 211431507), (3, 70477169), (7, 30204501), (21, 10068167), (457, 462651), (1371, 154217), (3199, 66093), (9597, 22031)]