905647197

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{6343}}^1$

素因数の和:6889

約数の個数: 32

約数和(自身を含む): 1489266688

約数和(自身を除く): 583619491

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 523, 1569, 3661, 6343, 6799, 10983, 19029, 20397, 44401, 47593, 82459, 133203, 142779, 247377, 577213, 1731639, 3317389, 9952167, 23221723, 43126057, 69665169, 129378171, 301882399, 905647197]

約数ペア:

[(1, 905647197), (3, 301882399), (7, 129378171), (13, 69665169), (21, 43126057), (39, 23221723), (91, 9952167), (273, 3317389), (523, 1731639), (1569, 577213), (3661, 247377), (6343, 142779), (6799, 133203), (10983, 82459), (19029, 47593), (20397, 44401)]