81372915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7321}}^1$

素因数の和:7364

約数の個数: 48

約数和(自身を含む): 159912480

約数和(自身を除く): 78539565

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 7321, 11115, 21963, 36605, 65889, 95173, 109815, 139099, 285519, 329445, 417297, 475865, 695495, 856557, 1251891, 1427595, 1808287, 2086485, 4282785, 5424861, 6259455, 9041435, 16274583, 27124305, 81372915]

約数ペア:

[(1, 81372915), (3, 27124305), (5, 16274583), (9, 9041435), (13, 6259455), (15, 5424861), (19, 4282785), (39, 2086485), (45, 1808287), (57, 1427595), (65, 1251891), (95, 856557), (117, 695495), (171, 475865), (195, 417297), (247, 329445), (285, 285519), (585, 139099), (741, 109815), (855, 95173), (1235, 65889), (2223, 36605), (3705, 21963), (7321, 11115)]