28110621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1667}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 47397888

約数和(自身を除く): 19287267

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1533, 1667, 2409, 5001, 5621, 11669, 16863, 18337, 35007, 55011, 121691, 128359, 365073, 385077, 851837, 1338601, 2555511, 4015803, 9370207, 28110621]

約数ペア:

[(1, 28110621), (3, 9370207), (7, 4015803), (11, 2555511), (21, 1338601), (33, 851837), (73, 385077), (77, 365073), (219, 128359), (231, 121691), (511, 55011), (803, 35007), (1533, 18337), (1667, 16863), (2409, 11669), (5001, 5621)]