28636905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 50295168

約数和(自身を除く): 21658263

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 197, 591, 881, 985, 2167, 2643, 2955, 4405, 6501, 9691, 10835, 13215, 29073, 32505, 48455, 145365, 173557, 520671, 867785, 1909127, 2603355, 5727381, 9545635, 28636905]

約数ペア:

[(1, 28636905), (3, 9545635), (5, 5727381), (11, 2603355), (15, 1909127), (33, 867785), (55, 520671), (165, 173557), (197, 145365), (591, 48455), (881, 32505), (985, 29073), (2167, 13215), (2643, 10835), (2955, 9691), (4405, 6501)]