627663491

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{42841}}^1$

素因数の和:42891

約数の個数: 24

約数和(自身を含む): 820509984

約数和(自身を除く): 192846493

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 42841, 299887, 556933, 985343, 2099209, 3898531, 6897401, 12809459, 27289717, 48281807, 89666213, 627663491]

約数ペア:

[(1, 627663491), (7, 89666213), (13, 48281807), (23, 27289717), (49, 12809459), (91, 6897401), (161, 3898531), (299, 2099209), (637, 985343), (1127, 556933), (2093, 299887), (14651, 42841)]