2610261

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 3982680

約数和(自身を除く): 1372419

約数列:

[1, 3, 9, 29, 73, 87, 137, 219, 261, 411, 657, 1233, 2117, 3973, 6351, 10001, 11919, 19053, 30003, 35757, 90009, 290029, 870087, 2610261]

約数ペア:

[(1, 2610261), (3, 870087), (9, 290029), (29, 90009), (73, 35757), (87, 30003), (137, 19053), (219, 11919), (261, 10001), (411, 6351), (657, 3973), (1233, 2117)]