28722009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2113}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 40182912

約数和(自身を除く): 11460903

約数列:

[1, 3, 23, 69, 197, 591, 2113, 4531, 6339, 13593, 48599, 145797, 416261, 1248783, 9574003, 28722009]

約数ペア:

[(1, 28722009), (3, 9574003), (23, 1248783), (69, 416261), (197, 145797), (591, 48599), (2113, 13593), (4531, 6339)]