81320223

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{4831}}^1$

素因数の和:5046

約数の個数: 16

約数和(自身を含む): 112566272

約数和(自身を除く): 31246049

約数列:

[1, 3, 31, 93, 181, 543, 4831, 5611, 14493, 16833, 149761, 449283, 874411, 2623233, 27106741, 81320223]

約数ペア:

[(1, 81320223), (3, 27106741), (31, 2623233), (93, 874411), (181, 449283), (543, 149761), (4831, 16833), (5611, 14493)]