1080891

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 2006400

約数和(自身を除く): 925509

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 49, 57, 63, 129, 133, 147, 171, 189, 301, 387, 399, 441, 513, 817, 903, 931, 1161, 1197, 1323, 2107, 2451, 2709, 2793, 3591, 5719, 6321, 7353, 8127, 8379, 17157, 18963, 22059, 25137, 40033, 51471, 56889, 120099, 154413, 360297, 1080891]

約数ペア:

[(1, 1080891), (3, 360297), (7, 154413), (9, 120099), (19, 56889), (21, 51471), (27, 40033), (43, 25137), (49, 22059), (57, 18963), (63, 17157), (129, 8379), (133, 8127), (147, 7353), (171, 6321), (189, 5719), (301, 3591), (387, 2793), (399, 2709), (441, 2451), (513, 2107), (817, 1323), (903, 1197), (931, 1161)]