81425709

素因数分解:

$3^3\times {\mathrm{311}}^1\times {\mathrm{9697}}^1$

素因数の和:10017

約数の個数: 16

約数和(自身を含む): 121031040

約数和(自身を除く): 39605331

約数列:

[1, 3, 9, 27, 311, 933, 2799, 8397, 9697, 29091, 87273, 261819, 3015767, 9047301, 27141903, 81425709]

約数ペア:

[(1, 81425709), (3, 27141903), (9, 9047301), (27, 3015767), (311, 261819), (933, 87273), (2799, 29091), (8397, 9697)]