2812509

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 4976640

約数和(自身を除く): 2164131

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 647, 1449, 1941, 4347, 4529, 5823, 13587, 14881, 17469, 40761, 44643, 104167, 122283, 133929, 312501, 401787, 937503, 2812509]

約数ペア:

[(1, 2812509), (3, 937503), (7, 401787), (9, 312501), (21, 133929), (23, 122283), (27, 104167), (63, 44643), (69, 40761), (161, 17469), (189, 14881), (207, 13587), (483, 5823), (621, 4529), (647, 4347), (1449, 1941)]