556983

素因数分解:

$3^3\times 7^2\times {\mathrm{421}}^1$

素因数の和:444

約数の個数: 24

約数和(自身を含む): 962160

約数和(自身を除く): 405177

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 421, 441, 1263, 1323, 2947, 3789, 8841, 11367, 20629, 26523, 61887, 79569, 185661, 556983]

約数ペア:

[(1, 556983), (3, 185661), (7, 79569), (9, 61887), (21, 26523), (27, 20629), (49, 11367), (63, 8841), (147, 3789), (189, 2947), (421, 1323), (441, 1263)]