221816231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{56687}}^1$

素因数の和:56750

約数の個数: 16

約数和(自身を含む): 279358464

約数和(自身を除く): 57542233

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 56687, 396809, 736931, 2437541, 5158517, 17062787, 31688033, 221816231]

約数ペア:

[(1, 221816231), (7, 31688033), (13, 17062787), (43, 5158517), (91, 2437541), (301, 736931), (559, 396809), (3913, 56687)]