989393643

素因数分解:

$3^3\times 7^2\times {\mathrm{747841}}^1$

素因数の和:747864

約数の個数: 24

約数和(自身を含む): 1705079760

約数和(自身を除く): 715686117

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 747841, 2243523, 5234887, 6730569, 15704661, 20191707, 36644209, 47113983, 109932627, 141341949, 329797881, 989393643]

約数ペア:

[(1, 989393643), (3, 329797881), (7, 141341949), (9, 109932627), (21, 47113983), (27, 36644209), (49, 20191707), (63, 15704661), (147, 6730569), (189, 5234887), (441, 2243523), (1323, 747841)]