818449917

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1237}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 1171365888

約数和(自身を除く): 352915971

約数列:

[1, 3, 23, 43, 69, 129, 223, 669, 989, 1237, 2967, 3711, 5129, 9589, 15387, 28451, 28767, 53191, 85353, 159573, 220547, 275851, 661641, 827553, 1223393, 3670179, 6344573, 11861593, 19033719, 35584779, 272816639, 818449917]

約数ペア:

[(1, 818449917), (3, 272816639), (23, 35584779), (43, 19033719), (69, 11861593), (129, 6344573), (223, 3670179), (669, 1223393), (989, 827553), (1237, 661641), (2967, 275851), (3711, 220547), (5129, 159573), (9589, 85353), (15387, 53191), (28451, 28767)]