245655009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{4903}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 374861760

約数和(自身を除く): 129206751

約数列:

[1, 3, 9, 19, 57, 171, 293, 879, 2637, 4903, 5567, 14709, 16701, 44127, 50103, 93157, 279471, 838413, 1436579, 4309737, 12929211, 27295001, 81885003, 245655009]

約数ペア:

[(1, 245655009), (3, 81885003), (9, 27295001), (19, 12929211), (57, 4309737), (171, 1436579), (293, 838413), (879, 279471), (2637, 93157), (4903, 50103), (5567, 44127), (14709, 16701)]