214917225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 367690752

約数和(自身を除く): 152773527

約数列:

[1, 3, 5, 15, 25, 43, 75, 103, 129, 215, 309, 515, 645, 647, 1075, 1545, 1941, 2575, 3225, 3235, 4429, 7725, 9705, 13287, 16175, 22145, 27821, 48525, 66435, 66641, 83463, 110725, 139105, 199923, 332175, 333205, 417315, 695525, 999615, 1666025, 2086575, 2865563, 4998075, 8596689, 14327815, 42983445, 71639075, 214917225]

約数ペア:

[(1, 214917225), (3, 71639075), (5, 42983445), (15, 14327815), (25, 8596689), (43, 4998075), (75, 2865563), (103, 2086575), (129, 1666025), (215, 999615), (309, 695525), (515, 417315), (645, 333205), (647, 332175), (1075, 199923), (1545, 139105), (1941, 110725), (2575, 83463), (3225, 66641), (3235, 66435), (4429, 48525), (7725, 27821), (9705, 22145), (13287, 16175)]