2010987

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 3420912

約数和(自身を除く): 1409925

約数列:

[1, 3, 9, 11, 27, 33, 37, 61, 81, 99, 111, 183, 297, 333, 407, 549, 671, 891, 999, 1221, 1647, 2013, 2257, 2997, 3663, 4941, 6039, 6771, 10989, 18117, 20313, 24827, 32967, 54351, 60939, 74481, 182817, 223443, 670329, 2010987]

約数ペア:

[(1, 2010987), (3, 670329), (9, 223443), (11, 182817), (27, 74481), (33, 60939), (37, 54351), (61, 32967), (81, 24827), (99, 20313), (111, 18117), (183, 10989), (297, 6771), (333, 6039), (407, 4941), (549, 3663), (671, 2997), (891, 2257), (999, 2013), (1221, 1647)]