420169977

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{12893}}^1$

素因数の和:12990

約数の個数: 32

約数和(自身を含む): 668424960

約数和(自身を除く): 248254983

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 3621, 10863, 12893, 32589, 38679, 116037, 219181, 348111, 657543, 915403, 1972629, 2746209, 5917887, 8238627, 15561851, 24715881, 46685553, 140056659, 420169977]

約数ペア:

[(1, 420169977), (3, 140056659), (9, 46685553), (17, 24715881), (27, 15561851), (51, 8238627), (71, 5917887), (153, 2746209), (213, 1972629), (459, 915403), (639, 657543), (1207, 348111), (1917, 219181), (3621, 116037), (10863, 38679), (12893, 32589)]