81320631

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{54541}}^1$

素因数の和:54622

約数の個数: 16

約数和(自身を含む): 125664768

約数和(自身を除く): 44344137

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 54541, 163623, 381787, 1145361, 3872411, 11617233, 27106877, 81320631]

約数ペア:

[(1, 81320631), (3, 27106877), (7, 11617233), (21, 3872411), (71, 1145361), (213, 381787), (497, 163623), (1491, 54541)]