1288881

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 2081664

約数和(自身を除く): 792783

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 277, 423, 517, 831, 1551, 2493, 3047, 4653, 9141, 13019, 27423, 39057, 117171, 143209, 429627, 1288881]

約数ペア:

[(1, 1288881), (3, 429627), (9, 143209), (11, 117171), (33, 39057), (47, 27423), (99, 13019), (141, 9141), (277, 4653), (423, 3047), (517, 2493), (831, 1551)]