203280903

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{31327}}^1$

素因数の和:31443

約数の個数: 24

約数和(自身を含む): 338843648

約数和(自身を除く): 135562745

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 31327, 93981, 219289, 281943, 657867, 1973601, 3226681, 9680043, 22586767, 29040129, 67760301, 203280903]

約数ペア:

[(1, 203280903), (3, 67760301), (7, 29040129), (9, 22586767), (21, 9680043), (63, 3226681), (103, 1973601), (309, 657867), (721, 281943), (927, 219289), (2163, 93981), (6489, 31327)]