268291359

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7757}}^1$

素因数の和:7837

約数の個数: 40

約数和(自身を含む): 465604128

約数和(自身を除く): 197312769

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 3843, 4941, 7757, 11529, 23271, 34587, 54299, 69813, 162897, 209439, 473177, 488691, 628317, 1419531, 1466073, 3312239, 4258593, 4398219, 9936717, 12775779, 29810151, 38327337, 89430453, 268291359]

約数ペア:

[(1, 268291359), (3, 89430453), (7, 38327337), (9, 29810151), (21, 12775779), (27, 9936717), (61, 4398219), (63, 4258593), (81, 3312239), (183, 1466073), (189, 1419531), (427, 628317), (549, 488691), (567, 473177), (1281, 209439), (1647, 162897), (3843, 69813), (4941, 54299), (7757, 34587), (11529, 23271)]