81582171

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{3821}}^1$

素因数の和:4482

約数の個数: 16

約数和(自身を含む): 118879488

約数和(自身を除く): 37297317

約数列:

[1, 3, 11, 33, 647, 1941, 3821, 7117, 11463, 21351, 42031, 126093, 2472187, 7416561, 27194057, 81582171]

約数ペア:

[(1, 81582171), (3, 27194057), (11, 7416561), (33, 2472187), (647, 126093), (1941, 42031), (3821, 21351), (7117, 11463)]