28654227

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2897}}^1$

素因数の和:3067

約数の個数: 24

約数和(自身を含む): 47619936

約数和(自身を除く): 18965709

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 2897, 3297, 8691, 9891, 20279, 26073, 60837, 182511, 454829, 1364487, 3183803, 4093461, 9551409, 28654227]

約数ペア:

[(1, 28654227), (3, 9551409), (7, 4093461), (9, 3183803), (21, 1364487), (63, 454829), (157, 182511), (471, 60837), (1099, 26073), (1413, 20279), (2897, 9891), (3297, 8691)]