268553571

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{56909}}^1$

素因数の和:56947

約数の個数: 24

約数和(自身を含む): 423865680

約数和(自身を除く): 155312109

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4719, 56909, 170727, 625999, 739817, 1877997, 2219451, 6885989, 8137987, 20657967, 24413961, 89517857, 268553571]

約数ペア:

[(1, 268553571), (3, 89517857), (11, 24413961), (13, 20657967), (33, 8137987), (39, 6885989), (121, 2219451), (143, 1877997), (363, 739817), (429, 625999), (1573, 170727), (4719, 56909)]