18767727

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 31392000

約数和(自身を除く): 12624273

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2179, 2871, 6537, 8613, 19611, 23969, 58833, 63191, 71907, 189573, 215721, 568719, 647163, 695101, 1706157, 2085303, 6255909, 18767727]

約数ペア:

[(1, 18767727), (3, 6255909), (9, 2085303), (11, 1706157), (27, 695101), (29, 647163), (33, 568719), (87, 215721), (99, 189573), (261, 71907), (297, 63191), (319, 58833), (783, 23969), (957, 19611), (2179, 8613), (2871, 6537)]