205718409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47521}}^1$

素因数の和:47577

約数の個数: 24

約数和(自身を含む): 328662152

約数和(自身を除く): 122943743

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 47521, 142563, 427689, 617773, 1758277, 1853319, 5274831, 5559957, 15824493, 22857601, 68572803, 205718409]

約数ペア:

[(1, 205718409), (3, 68572803), (9, 22857601), (13, 15824493), (37, 5559957), (39, 5274831), (111, 1853319), (117, 1758277), (333, 617773), (481, 427689), (1443, 142563), (4329, 47521)]