1571427

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 2830240

約数和(自身を除く): 1258813

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 99, 111, 117, 121, 143, 297, 333, 351, 363, 407, 429, 481, 999, 1089, 1221, 1287, 1443, 1573, 3267, 3663, 3861, 4329, 4477, 4719, 5291, 10989, 12987, 13431, 14157, 15873, 40293, 42471, 47619, 58201, 120879, 142857, 174603, 523809, 1571427]

約数ペア:

[(1, 1571427), (3, 523809), (9, 174603), (11, 142857), (13, 120879), (27, 58201), (33, 47619), (37, 42471), (39, 40293), (99, 15873), (111, 14157), (117, 13431), (121, 12987), (143, 10989), (297, 5291), (333, 4719), (351, 4477), (363, 4329), (407, 3861), (429, 3663), (481, 3267), (999, 1573), (1089, 1443), (1221, 1287)]