2181573

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1206

約数の個数: 20

約数和(自身を含む): 3403488

約数和(自身を除く): 1221915

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1171, 1863, 3513, 10539, 26933, 31617, 80799, 94851, 242397, 727191, 2181573]

約数ペア:

[(1, 2181573), (3, 727191), (9, 242397), (23, 94851), (27, 80799), (69, 31617), (81, 26933), (207, 10539), (621, 3513), (1171, 1863)]