71272019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 90091008

約数和(自身を除く): 18818989

約数列:

[1, 7, 13, 49, 91, 127, 637, 881, 889, 1651, 6167, 6223, 11453, 11557, 43169, 80171, 80899, 111887, 561197, 783209, 1454531, 5482463, 10181717, 71272019]

約数ペア:

[(1, 71272019), (7, 10181717), (13, 5482463), (49, 1454531), (91, 783209), (127, 561197), (637, 111887), (881, 80899), (889, 80171), (1651, 43169), (6167, 11557), (6223, 11453)]