28708209

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{46229}}^1$

素因数の和:46261

約数の個数: 16

約数和(自身を含む): 44380800

約数和(自身を除く): 15672591

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 46229, 138687, 416061, 1063267, 1248183, 3189801, 9569403, 28708209]

約数ペア:

[(1, 28708209), (3, 9569403), (9, 3189801), (23, 1248183), (27, 1063267), (69, 416061), (207, 138687), (621, 46229)]