128475837

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{49739}}^1$

素因数の和:49793

約数の個数: 24

約数和(自身を含む): 217264320

約数和(自身を除く): 88788483

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 49739, 149217, 348173, 447651, 1044519, 2039299, 3133557, 6117897, 14275093, 18353691, 42825279, 128475837]

約数ペア:

[(1, 128475837), (3, 42825279), (7, 18353691), (9, 14275093), (21, 6117897), (41, 3133557), (63, 2039299), (123, 1044519), (287, 447651), (369, 348173), (861, 149217), (2583, 49739)]