28575693

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 43873280

約数和(自身を除く): 15297587

約数列:

[1, 3, 9, 27, 43, 129, 151, 163, 387, 453, 489, 1161, 1359, 1467, 4077, 4401, 6493, 7009, 19479, 21027, 24613, 58437, 63081, 73839, 175311, 189243, 221517, 664551, 1058359, 3175077, 9525231, 28575693]

約数ペア:

[(1, 28575693), (3, 9525231), (9, 3175077), (27, 1058359), (43, 664551), (129, 221517), (151, 189243), (163, 175311), (387, 73839), (453, 63081), (489, 58437), (1161, 24613), (1359, 21027), (1467, 19479), (4077, 7009), (4401, 6493)]