212522401

素因数分解:

$7^1\times {\mathrm{13}}^4\times {\mathrm{1063}}^1$

素因数の和:1122

約数の個数: 20

約数和(自身を含む): 263369792

約数和(自身を除く): 50847391

約数列:

[1, 7, 13, 91, 169, 1063, 1183, 2197, 7441, 13819, 15379, 28561, 96733, 179647, 199927, 1257529, 2335411, 16347877, 30360343, 212522401]

約数ペア:

[(1, 212522401), (7, 30360343), (13, 16347877), (91, 2335411), (169, 1257529), (1063, 199927), (1183, 179647), (2197, 96733), (7441, 28561), (13819, 15379)]