1221999

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 1705440

約数和(自身を除く): 483441

約数列:

[1, 3, 37, 101, 109, 111, 303, 327, 3737, 4033, 11009, 11211, 12099, 33027, 407333, 1221999]

約数ペア:

[(1, 1221999), (3, 407333), (37, 33027), (101, 12099), (109, 11211), (111, 11009), (303, 4033), (327, 3737)]