2172807

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 3942120

約数和(自身を除く): 1769313

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 379, 441, 637, 819, 1137, 1911, 2653, 3411, 4927, 5733, 7959, 14781, 18571, 23877, 34489, 44343, 55713, 103467, 167139, 241423, 310401, 724269, 2172807]

約数ペア:

[(1, 2172807), (3, 724269), (7, 310401), (9, 241423), (13, 167139), (21, 103467), (39, 55713), (49, 44343), (63, 34489), (91, 23877), (117, 18571), (147, 14781), (273, 7959), (379, 5733), (441, 4927), (637, 3411), (819, 2653), (1137, 1911)]