221212993

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3851}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 244062720

約数和(自身を除く): 22849727

約数列:

[1, 17, 31, 109, 527, 1853, 3379, 3851, 57443, 65467, 119381, 419759, 2029477, 7135903, 13012529, 221212993]

約数ペア:

[(1, 221212993), (17, 13012529), (31, 7135903), (109, 2029477), (527, 419759), (1853, 119381), (3379, 65467), (3851, 57443)]