638888931

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{285091}}^1$

素因数の和:285183

約数の個数: 16

約数和(自身を含む): 957909120

約数和(自身を除く): 319020189

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 285091, 855273, 2565819, 7697457, 23662553, 70987659, 212962977, 638888931]

約数ペア:

[(1, 638888931), (3, 212962977), (9, 70987659), (27, 23662553), (83, 7697457), (249, 2565819), (747, 855273), (2241, 285091)]