139809721

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{63521}}^1$

素因数の和:63623

約数の個数: 8

約数和(自身を含む): 146354688

約数和(自身を除く): 6544967

約数列:

[1, 31, 71, 2201, 63521, 1969151, 4509991, 139809721]

約数ペア:

[(1, 139809721), (31, 4509991), (71, 1969151), (2201, 63521)]