67997657

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 84853440

約数和(自身を除く): 16855783

約数列:

[1, 7, 13, 91, 169, 229, 251, 1183, 1603, 1757, 2977, 3263, 20839, 22841, 38701, 42419, 57479, 270907, 296933, 402353, 747227, 5230589, 9713951, 67997657]

約数ペア:

[(1, 67997657), (7, 9713951), (13, 5230589), (91, 747227), (169, 402353), (229, 296933), (251, 270907), (1183, 57479), (1603, 42419), (1757, 38701), (2977, 22841), (3263, 20839)]