199305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 356928

約数和(自身を除く): 157623

約数列:

[1, 3, 5, 9, 15, 43, 45, 103, 129, 215, 309, 387, 515, 645, 927, 1545, 1935, 4429, 4635, 13287, 22145, 39861, 66435, 199305]

約数ペア:

[(1, 199305), (3, 66435), (5, 39861), (9, 22145), (15, 13287), (43, 4635), (45, 4429), (103, 1935), (129, 1545), (215, 927), (309, 645), (387, 515)]