2011980009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{21433}}^1$

素因数の和:21561

約数の個数: 32

約数和(自身を含む): 3024766080

約数和(自身を除く): 1012786071

約数列:

[1, 3, 13, 29, 39, 83, 87, 249, 377, 1079, 1131, 2407, 3237, 7221, 21433, 31291, 64299, 93873, 278629, 621557, 835887, 1778939, 1864671, 5336817, 8080241, 23126207, 24240723, 51589231, 69378621, 154767693, 670660003, 2011980009]

約数ペア:

[(1, 2011980009), (3, 670660003), (13, 154767693), (29, 69378621), (39, 51589231), (83, 24240723), (87, 23126207), (249, 8080241), (377, 5336817), (1079, 1864671), (1131, 1778939), (2407, 835887), (3237, 621557), (7221, 278629), (21433, 93873), (31291, 64299)]