81801639

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2843}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 124225920

約数和(自身を除く): 42424281

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 1251, 2843, 3197, 8529, 9591, 25587, 28773, 65389, 196167, 395177, 588501, 1185531, 3556593, 9089071, 27267213, 81801639]

約数ペア:

[(1, 81801639), (3, 27267213), (9, 9089071), (23, 3556593), (69, 1185531), (139, 588501), (207, 395177), (417, 196167), (1251, 65389), (2843, 28773), (3197, 25587), (8529, 9591)]