220516263

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6689}}^1$

素因数の和:6749

約数の個数: 40

約数和(自身を含む): 369127440

約数和(自身を除く): 148611177

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 891, 999, 1221, 2997, 3663, 6689, 10989, 20067, 32967, 60201, 73579, 180603, 220737, 247493, 541809, 662211, 742479, 1986633, 2227437, 2722423, 5959899, 6682311, 8167269, 20046933, 24501807, 73505421, 220516263]

約数ペア:

[(1, 220516263), (3, 73505421), (9, 24501807), (11, 20046933), (27, 8167269), (33, 6682311), (37, 5959899), (81, 2722423), (99, 2227437), (111, 1986633), (297, 742479), (333, 662211), (407, 541809), (891, 247493), (999, 220737), (1221, 180603), (2997, 73579), (3663, 60201), (6689, 32967), (10989, 20067)]