2870127

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 5006880

約数和(自身を除く): 2136753

約数列:

[1, 3, 9, 13, 17, 27, 37, 39, 51, 111, 117, 153, 169, 221, 333, 351, 459, 481, 507, 629, 663, 999, 1443, 1521, 1887, 1989, 2873, 4329, 4563, 5661, 5967, 6253, 8177, 8619, 12987, 16983, 18759, 24531, 25857, 56277, 73593, 77571, 106301, 168831, 220779, 318903, 956709, 2870127]

約数ペア:

[(1, 2870127), (3, 956709), (9, 318903), (13, 220779), (17, 168831), (27, 106301), (37, 77571), (39, 73593), (51, 56277), (111, 25857), (117, 24531), (153, 18759), (169, 16983), (221, 12987), (333, 8619), (351, 8177), (459, 6253), (481, 5967), (507, 5661), (629, 4563), (663, 4329), (999, 2873), (1443, 1989), (1521, 1887)]