28681785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57943}}^1$

素因数の和:57965

約数の個数: 24

約数和(自身を含む): 54235584

約数和(自身を除く): 25553799

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 57943, 173829, 289715, 521487, 637373, 869145, 1912119, 2607435, 3186865, 5736357, 9560595, 28681785]

約数ペア:

[(1, 28681785), (3, 9560595), (5, 5736357), (9, 3186865), (11, 2607435), (15, 1912119), (33, 869145), (45, 637373), (55, 521487), (99, 289715), (165, 173829), (495, 57943)]