2991597

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 4749696

約数和(自身を除く): 1758099

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 433, 987, 1299, 2303, 3031, 6909, 9093, 20351, 21217, 61053, 63651, 142457, 427371, 997199, 2991597]

約数ペア:

[(1, 2991597), (3, 997199), (7, 427371), (21, 142457), (47, 63651), (49, 61053), (141, 21217), (147, 20351), (329, 9093), (433, 6909), (987, 3031), (1299, 2303)]