81167859

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{23671}}^1$

素因数の和:23807

約数の個数: 16

約数和(自身を含む): 121200640

約数和(自身を除く): 40032781

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 23671, 71013, 213039, 639117, 3006217, 9018651, 27055953, 81167859]

約数ペア:

[(1, 81167859), (3, 27055953), (9, 9018651), (27, 3006217), (127, 639117), (381, 213039), (1143, 71013), (3429, 23671)]