291248991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{4547}}^1$

素因数の和:5211

約数の個数: 24

約数和(自身を含む): 459748224

約数和(自身を除く): 168499233

約数列:

[1, 3, 9, 11, 33, 99, 647, 1941, 4547, 5823, 7117, 13641, 21351, 40923, 50017, 64053, 150051, 450153, 2941909, 8825727, 26477181, 32360999, 97082997, 291248991]

約数ペア:

[(1, 291248991), (3, 97082997), (9, 32360999), (11, 26477181), (33, 8825727), (99, 2941909), (647, 450153), (1941, 150051), (4547, 64053), (5823, 50017), (7117, 40923), (13641, 21351)]