1321089

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 2407680

約数和(自身を除く): 1086591

約数列:

[1, 3, 7, 11, 19, 21, 33, 43, 49, 57, 77, 129, 133, 147, 209, 231, 301, 399, 473, 539, 627, 817, 903, 931, 1419, 1463, 1617, 2107, 2451, 2793, 3311, 4389, 5719, 6321, 8987, 9933, 10241, 17157, 23177, 26961, 30723, 40033, 62909, 69531, 120099, 188727, 440363, 1321089]

約数ペア:

[(1, 1321089), (3, 440363), (7, 188727), (11, 120099), (19, 69531), (21, 62909), (33, 40033), (43, 30723), (49, 26961), (57, 23177), (77, 17157), (129, 10241), (133, 9933), (147, 8987), (209, 6321), (231, 5719), (301, 4389), (399, 3311), (473, 2793), (539, 2451), (627, 2107), (817, 1617), (903, 1463), (931, 1419)]