221708067

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{621031}}^1$

素因数の和:621058

約数の個数: 16

約数和(自身を含む): 357714432

約数和(自身を除く): 136006365

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 621031, 1863093, 4347217, 10557527, 13041651, 31672581, 73902689, 221708067]

約数ペア:

[(1, 221708067), (3, 73902689), (7, 31672581), (17, 13041651), (21, 10557527), (51, 4347217), (119, 1863093), (357, 621031)]