28211391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2341}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 44329376

約数和(自身を除く): 16117985

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 2341, 4017, 7023, 12051, 21069, 30433, 91299, 241123, 273897, 723369, 2170107, 3134599, 9403797, 28211391]

約数ペア:

[(1, 28211391), (3, 9403797), (9, 3134599), (13, 2170107), (39, 723369), (103, 273897), (117, 241123), (309, 91299), (927, 30433), (1339, 21069), (2341, 12051), (4017, 7023)]