2819095305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{390727}}^1$

素因数の和:390785

約数の個数: 32

約数和(自身を含む): 4988815104

約数和(自身を除く): 2169719799

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 390727, 1172181, 1953635, 5079451, 5860905, 14456899, 15238353, 25397255, 43370697, 72284495, 76191765, 187939687, 216853485, 563819061, 939698435, 2819095305]

約数ペア:

[(1, 2819095305), (3, 939698435), (5, 563819061), (13, 216853485), (15, 187939687), (37, 76191765), (39, 72284495), (65, 43370697), (111, 25397255), (185, 15238353), (195, 14456899), (481, 5860905), (555, 5079451), (1443, 1953635), (2405, 1172181), (7215, 390727)]