861775281

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{366869}}^1$

素因数の和:366910

約数の個数: 20

約数和(自身を含む): 1331738100

約数和(自身を除く): 469962819

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 366869, 1100607, 3301821, 9905463, 10639201, 29716389, 31917603, 95752809, 287258427, 861775281]

約数ペア:

[(1, 861775281), (3, 287258427), (9, 95752809), (27, 31917603), (29, 29716389), (81, 10639201), (87, 9905463), (261, 3301821), (783, 1100607), (2349, 366869)]