2687607

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 4684800

約数和(自身を除く): 1997193

約数列:

[1, 3, 9, 13, 19, 27, 31, 39, 57, 93, 117, 169, 171, 247, 279, 351, 403, 507, 513, 589, 741, 837, 1209, 1521, 1767, 2223, 3211, 3627, 4563, 5239, 5301, 6669, 7657, 9633, 10881, 15717, 15903, 22971, 28899, 47151, 68913, 86697, 99541, 141453, 206739, 298623, 895869, 2687607]

約数ペア:

[(1, 2687607), (3, 895869), (9, 298623), (13, 206739), (19, 141453), (27, 99541), (31, 86697), (39, 68913), (57, 47151), (93, 28899), (117, 22971), (169, 15903), (171, 15717), (247, 10881), (279, 9633), (351, 7657), (403, 6669), (507, 5301), (513, 5239), (589, 4563), (741, 3627), (837, 3211), (1209, 2223), (1521, 1767)]