2904759

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 5145504

約数和(自身を除く): 2240745

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 61, 99, 111, 117, 143, 183, 333, 407, 429, 481, 549, 671, 793, 1221, 1287, 1443, 2013, 2257, 2379, 3663, 4329, 5291, 6039, 6771, 7137, 8723, 15873, 20313, 24827, 26169, 29341, 47619, 74481, 78507, 88023, 223443, 264069, 322751, 968253, 2904759]

約数ペア:

[(1, 2904759), (3, 968253), (9, 322751), (11, 264069), (13, 223443), (33, 88023), (37, 78507), (39, 74481), (61, 47619), (99, 29341), (111, 26169), (117, 24827), (143, 20313), (183, 15873), (333, 8723), (407, 7137), (429, 6771), (481, 6039), (549, 5291), (671, 4329), (793, 3663), (1221, 2379), (1287, 2257), (1443, 2013)]