28506291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20089}}^1$

素因数の和:20146

約数の個数: 16

約数和(自身を含む): 42430080

約数和(自身を除く): 13923789

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20089, 60267, 220979, 662937, 863827, 2591481, 9502097, 28506291]

約数ペア:

[(1, 28506291), (3, 9502097), (11, 2591481), (33, 863827), (43, 662937), (129, 220979), (473, 60267), (1419, 20089)]