28986363

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 49587200

約数和(自身を除く): 20600837

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 1489, 2163, 2781, 4467, 6489, 10423, 13401, 19467, 31269, 40203, 93807, 153367, 281421, 460101, 1073569, 1380303, 3220707, 4140909, 9662121, 28986363]

約数ペア:

[(1, 28986363), (3, 9662121), (7, 4140909), (9, 3220707), (21, 1380303), (27, 1073569), (63, 460101), (103, 281421), (189, 153367), (309, 93807), (721, 40203), (927, 31269), (1489, 19467), (2163, 13401), (2781, 10423), (4467, 6489)]