1278837

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 2156544

約数和(自身を除く): 877707

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 383, 477, 1113, 1149, 2681, 3339, 3447, 8043, 20299, 24129, 60897, 142093, 182691, 426279, 1278837]

約数ペア:

[(1, 1278837), (3, 426279), (7, 182691), (9, 142093), (21, 60897), (53, 24129), (63, 20299), (159, 8043), (371, 3447), (383, 3339), (477, 2681), (1113, 1149)]