27720251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 32354784

約数和(自身を除く): 4634533

約数列:

[1, 13, 17, 43, 221, 559, 731, 2917, 9503, 37921, 49589, 125431, 644657, 1630603, 2132327, 27720251]

約数ペア:

[(1, 27720251), (13, 2132327), (17, 1630603), (43, 644657), (221, 125431), (559, 49589), (731, 37921), (2917, 9503)]