1279181511

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{667283}}^1$

素因数の和:667363

約数の個数: 16

約数和(自身を含む): 1921777920

約数和(自身を除く): 642596409

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 667283, 2001849, 6005547, 18016641, 47377093, 142131279, 426393837, 1279181511]

約数ペア:

[(1, 1279181511), (3, 426393837), (9, 142131279), (27, 47377093), (71, 18016641), (213, 6005547), (639, 2001849), (1917, 667283)]