28641627

素因数分解:

$3^3\times 7^2\times {\mathrm{21649}}^1$

素因数の和:21672

約数の個数: 24

約数和(自身を含む): 49362000

約数和(自身を除く): 20720373

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21649, 64947, 151543, 194841, 454629, 584523, 1060801, 1363887, 3182403, 4091661, 9547209, 28641627]

約数ペア:

[(1, 28641627), (3, 9547209), (7, 4091661), (9, 3182403), (21, 1363887), (27, 1060801), (49, 584523), (63, 454629), (147, 194841), (189, 151543), (441, 64947), (1323, 21649)]