2008779507

素因数分解:

$3^4\times 7^1\times {\mathrm{1783}}^1\times {\mathrm{1987}}^1$

素因数の和:3789

約数の個数: 40

約数和(自身を含む): 3433101056

約数和(自身を除く): 1424321549

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1783, 1987, 5349, 5961, 12481, 13909, 16047, 17883, 37443, 41727, 48141, 53649, 112329, 125181, 144423, 160947, 336987, 375543, 1010961, 1126629, 3542821, 10628463, 24799747, 31885389, 74399241, 95656167, 223197723, 286968501, 669593169, 2008779507]

約数ペア:

[(1, 2008779507), (3, 669593169), (7, 286968501), (9, 223197723), (21, 95656167), (27, 74399241), (63, 31885389), (81, 24799747), (189, 10628463), (567, 3542821), (1783, 1126629), (1987, 1010961), (5349, 375543), (5961, 336987), (12481, 160947), (13909, 144423), (16047, 125181), (17883, 112329), (37443, 53649), (41727, 48141)]