2875905

素因数分解:

$3^7\times 5^1\times {\mathrm{263}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 5195520

約数和(自身を除く): 2319615

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 263, 405, 729, 789, 1215, 1315, 2187, 2367, 3645, 3945, 7101, 10935, 11835, 21303, 35505, 63909, 106515, 191727, 319545, 575181, 958635, 2875905]

約数ペア:

[(1, 2875905), (3, 958635), (5, 575181), (9, 319545), (15, 191727), (27, 106515), (45, 63909), (81, 35505), (135, 21303), (243, 11835), (263, 10935), (405, 7101), (729, 3945), (789, 3645), (1215, 2367), (1315, 2187)]