28907865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91771}}^1$

素因数の和:91789

約数の個数: 24

約数和(自身を含む): 57265728

約数和(自身を除く): 28357863

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91771, 275313, 458855, 642397, 825939, 1376565, 1927191, 3211985, 4129695, 5781573, 9635955, 28907865]

約数ペア:

[(1, 28907865), (3, 9635955), (5, 5781573), (7, 4129695), (9, 3211985), (15, 1927191), (21, 1376565), (35, 825939), (45, 642397), (63, 458855), (105, 275313), (315, 91771)]