55201209

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18911}}^1$

素因数の和:19060

約数の個数: 16

約数和(自身を含む): 84725760

約数和(自身を除く): 29524551

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 18911, 56733, 132377, 397131, 2628629, 7885887, 18400403, 55201209]

約数ペア:

[(1, 55201209), (3, 18400403), (7, 7885887), (21, 2628629), (139, 397131), (417, 132377), (973, 56733), (2919, 18911)]