28156443

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31181}}^1$

素因数の和:31234

約数の個数: 16

約数和(自身を含む): 43904256

約数和(自身を除く): 15747813

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31181, 93543, 218267, 654801, 1340783, 4022349, 9385481, 28156443]

約数ペア:

[(1, 28156443), (3, 9385481), (7, 4022349), (21, 1340783), (43, 654801), (129, 218267), (301, 93543), (903, 31181)]