2561691945

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{20809}}^1$

素因数の和:21129

約数の個数: 32

約数和(自身を含む): 4255228800

約数和(自身を除く): 1693536855

約数列:

[1, 3, 5, 15, 29, 87, 145, 283, 435, 849, 1415, 4245, 8207, 20809, 24621, 41035, 62427, 104045, 123105, 312135, 603461, 1810383, 3017305, 5888947, 9051915, 17666841, 29444735, 88334205, 170779463, 512338389, 853897315, 2561691945]

約数ペア:

[(1, 2561691945), (3, 853897315), (5, 512338389), (15, 170779463), (29, 88334205), (87, 29444735), (145, 17666841), (283, 9051915), (435, 5888947), (849, 3017305), (1415, 1810383), (4245, 603461), (8207, 312135), (20809, 123105), (24621, 104045), (41035, 62427)]