201002949

素因数分解:

$3^2\times 7^2\times {\mathrm{455789}}^1$

素因数の和:455809

約数の個数: 18

約数和(自身を含む): 337740390

約数和(自身を除く): 136737441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 455789, 1367367, 3190523, 4102101, 9571569, 22333661, 28714707, 67000983, 201002949]

約数ペア:

[(1, 201002949), (3, 67000983), (7, 28714707), (9, 22333661), (21, 9571569), (49, 4102101), (63, 3190523), (147, 1367367), (441, 455789)]