13091221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2196

約数の個数: 16

約数和(自身を含む): 15744960

約数和(自身を除く): 2653739

約数列:

[1, 11, 13, 43, 143, 473, 559, 2129, 6149, 23419, 27677, 91547, 304447, 1007017, 1190111, 13091221]

約数ペア:

[(1, 13091221), (11, 1190111), (13, 1007017), (43, 304447), (143, 91547), (473, 27677), (559, 23419), (2129, 6149)]