1521387

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 2795520

約数和(自身を除く): 1274133

約数列:

[1, 3, 7, 9, 19, 21, 31, 41, 57, 63, 93, 123, 133, 171, 217, 279, 287, 369, 399, 589, 651, 779, 861, 1197, 1271, 1767, 1953, 2337, 2583, 3813, 4123, 5301, 5453, 7011, 8897, 11439, 12369, 16359, 24149, 26691, 37107, 49077, 72447, 80073, 169043, 217341, 507129, 1521387]

約数ペア:

[(1, 1521387), (3, 507129), (7, 217341), (9, 169043), (19, 80073), (21, 72447), (31, 49077), (41, 37107), (57, 26691), (63, 24149), (93, 16359), (123, 12369), (133, 11439), (171, 8897), (217, 7011), (279, 5453), (287, 5301), (369, 4123), (399, 3813), (589, 2583), (651, 2337), (779, 1953), (861, 1767), (1197, 1271)]