28181121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{5471}}^1$

素因数の和:5592

約数の個数: 16

約数和(自身を含む): 40186368

約数和(自身を除く): 12005247

約数列:

[1, 3, 17, 51, 101, 303, 1717, 5151, 5471, 16413, 93007, 279021, 552571, 1657713, 9393707, 28181121]

約数ペア:

[(1, 28181121), (3, 9393707), (17, 1657713), (51, 552571), (101, 279021), (303, 93007), (1717, 16413), (5151, 5471)]