7827651

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 12936000

約数和(自身を除く): 5108349

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 769, 783, 1131, 2307, 3393, 6921, 9997, 10179, 20763, 22301, 29991, 66903, 89973, 200709, 269919, 289913, 602127, 869739, 2609217, 7827651]

約数ペア:

[(1, 7827651), (3, 2609217), (9, 869739), (13, 602127), (27, 289913), (29, 269919), (39, 200709), (87, 89973), (117, 66903), (261, 29991), (351, 22301), (377, 20763), (769, 10179), (783, 9997), (1131, 6921), (2307, 3393)]