724707

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:424

約数の個数: 20

約数和(自身を含む): 1132560

約数和(自身を除く): 407853

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 389, 621, 1167, 1863, 3501, 8947, 10503, 26841, 31509, 80523, 241569, 724707]

約数ペア:

[(1, 724707), (3, 241569), (9, 80523), (23, 31509), (27, 26841), (69, 10503), (81, 8947), (207, 3501), (389, 1863), (621, 1167)]