257870151

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{372107}}^1$

素因数の和:372131

約数の個数: 24

約数和(自身を含む): 464390784

約数和(自身を除く): 206520633

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 372107, 1116321, 2604749, 3348963, 4093177, 7814247, 12279531, 23442741, 28652239, 36838593, 85956717, 257870151]

約数ペア:

[(1, 257870151), (3, 85956717), (7, 36838593), (9, 28652239), (11, 23442741), (21, 12279531), (33, 7814247), (63, 4093177), (77, 3348963), (99, 2604749), (231, 1116321), (693, 372107)]