28654209

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{5333}}^1$

素因数の和:5541

約数の個数: 16

約数和(自身を含む): 42672000

約数和(自身を除く): 14017791

約数列:

[1, 3, 9, 27, 199, 597, 1791, 5333, 5373, 15999, 47997, 143991, 1061267, 3183801, 9551403, 28654209]

約数ペア:

[(1, 28654209), (3, 9551403), (9, 3183801), (27, 1061267), (199, 143991), (597, 47997), (1791, 15999), (5333, 5373)]