2590731

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 4617760

約数和(自身を除く): 2027029

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 61, 99, 117, 121, 143, 183, 297, 351, 363, 429, 549, 671, 793, 1089, 1287, 1573, 1647, 2013, 2379, 3267, 3861, 4719, 6039, 7137, 7381, 8723, 14157, 18117, 21411, 22143, 26169, 42471, 66429, 78507, 95953, 199287, 235521, 287859, 863577, 2590731]

約数ペア:

[(1, 2590731), (3, 863577), (9, 287859), (11, 235521), (13, 199287), (27, 95953), (33, 78507), (39, 66429), (61, 42471), (99, 26169), (117, 22143), (121, 21411), (143, 18117), (183, 14157), (297, 8723), (351, 7381), (363, 7137), (429, 6039), (549, 4719), (671, 3861), (793, 3267), (1089, 2379), (1287, 2013), (1573, 1647)]