28306503

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11273}}^1$

素因数の和:11316

約数の個数: 20

約数和(自身を含む): 43652928

約数和(自身を除く): 15346425

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11273, 33819, 101457, 304371, 349463, 913113, 1048389, 3145167, 9435501, 28306503]

約数ペア:

[(1, 28306503), (3, 9435501), (9, 3145167), (27, 1048389), (31, 913113), (81, 349463), (93, 304371), (279, 101457), (837, 33819), (2511, 11273)]