2011790307

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 2815443712

約数和(自身を除く): 803653405

約数列:

[1, 3, 37, 67, 111, 157, 201, 471, 1723, 2479, 5169, 5809, 7437, 10519, 17427, 31557, 63751, 115441, 191253, 270511, 346323, 389203, 811533, 1167609, 4271317, 10008907, 12813951, 18124237, 30026721, 54372711, 670596769, 2011790307]

約数ペア:

[(1, 2011790307), (3, 670596769), (37, 54372711), (67, 30026721), (111, 18124237), (157, 12813951), (201, 10008907), (471, 4271317), (1723, 1167609), (2479, 811533), (5169, 389203), (5809, 346323), (7437, 270511), (10519, 191253), (17427, 115441), (31557, 63751)]