221736151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{143333}}^1$

素因数の和:143370

約数の個数: 16

約数和(自身を含む): 288961344

約数和(自身を除く): 67225193

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 143333, 1003331, 1863329, 2436661, 13043303, 17056627, 31676593, 221736151]

約数ペア:

[(1, 221736151), (7, 31676593), (13, 17056627), (17, 13043303), (91, 2436661), (119, 1863329), (221, 1003331), (1547, 143333)]