56856513

素因数分解:

$3^1\times 7^2\times {\mathrm{461}}^1\times {\mathrm{839}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 88482240

約数和(自身を除く): 31625727

約数列:

[1, 3, 7, 21, 49, 147, 461, 839, 1383, 2517, 3227, 5873, 9681, 17619, 22589, 41111, 67767, 123333, 386779, 1160337, 2707453, 8122359, 18952171, 56856513]

約数ペア:

[(1, 56856513), (3, 18952171), (7, 8122359), (21, 2707453), (49, 1160337), (147, 386779), (461, 123333), (839, 67767), (1383, 41111), (2517, 22589), (3227, 17619), (5873, 9681)]