289921491

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{39623}}^1$

素因数の和:39903

約数の個数: 16

約数和(自身を含む): 431109120

約数和(自身を除く): 141187629

約数列:

[1, 3, 9, 27, 271, 813, 2439, 7317, 39623, 118869, 356607, 1069821, 10737833, 32213499, 96640497, 289921491]

約数ペア:

[(1, 289921491), (3, 96640497), (9, 32213499), (27, 10737833), (271, 1069821), (813, 356607), (2439, 118869), (7317, 39623)]