1221120593

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{115757}}^1$

素因数の和:115912

約数の個数: 16

約数和(自身を含む): 1533561984

約数和(自身を除く): 312441391

約数列:

[1, 7, 11, 77, 137, 959, 1507, 10549, 115757, 810299, 1273327, 8913289, 15858709, 111010963, 174445799, 1221120593]

約数ペア:

[(1, 1221120593), (7, 174445799), (11, 111010963), (77, 15858709), (137, 8913289), (959, 1273327), (1507, 810299), (10549, 115757)]