15516215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21701}}^1$

素因数の和:21730

約数の個数: 16

約数和(自身を含む): 21875616

約数和(自身を除く): 6359401

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 21701, 108505, 238711, 282113, 1193555, 1410565, 3103243, 15516215]

約数ペア:

[(1, 15516215), (5, 3103243), (11, 1410565), (13, 1193555), (55, 282113), (65, 238711), (143, 108505), (715, 21701)]