213888958263

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{10040321}}^1$

素因数の和:10040596

約数の個数: 20

約数和(自身を含む): 320728045968

約数和(自身を除く): 106839087705

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 7101, 21303, 10040321, 30120963, 90362889, 271088667, 813266001, 2640604423, 7921813269, 23765439807, 71296319421, 213888958263]

約数ペア:

[(1, 213888958263), (3, 71296319421), (9, 23765439807), (27, 7921813269), (81, 2640604423), (263, 813266001), (789, 271088667), (2367, 90362889), (7101, 30120963), (21303, 10040321)]