1397608209

素因数分解:

$3^3\times {\mathrm{277}}^1\times {\mathrm{186871}}^1$

素因数の和:187157

約数の個数: 16

約数和(自身を含む): 2078016640

約数和(自身を除く): 680408431

約数列:

[1, 3, 9, 27, 277, 831, 2493, 7479, 186871, 560613, 1681839, 5045517, 51763267, 155289801, 465869403, 1397608209]

約数ペア:

[(1, 1397608209), (3, 465869403), (9, 155289801), (27, 51763267), (277, 5045517), (831, 1681839), (2493, 560613), (7479, 186871)]