54971215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27281}}^1$

素因数の和:27330

約数の個数: 16

約数和(自身を含む): 73334016

約数和(自身を除く): 18362801

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 27281, 136405, 354653, 845711, 1773265, 4228555, 10994243, 54971215]

約数ペア:

[(1, 54971215), (5, 10994243), (13, 4228555), (31, 1773265), (65, 845711), (155, 354653), (403, 136405), (2015, 27281)]