25843215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 16988145

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 389, 515, 645, 1167, 1545, 1945, 4429, 5835, 13287, 16727, 22145, 40067, 50181, 66435, 83635, 120201, 200335, 250905, 601005, 1722881, 5168643, 8614405, 25843215]

約数ペア:

[(1, 25843215), (3, 8614405), (5, 5168643), (15, 1722881), (43, 601005), (103, 250905), (129, 200335), (215, 120201), (309, 83635), (389, 66435), (515, 50181), (645, 40067), (1167, 22145), (1545, 16727), (1945, 13287), (4429, 5835)]