15691247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 18561312

約数和(自身を除く): 2870065

約数列:

[1, 11, 13, 143, 197, 557, 2167, 2561, 6127, 7241, 28171, 79651, 109729, 1207019, 1426477, 15691247]

約数ペア:

[(1, 15691247), (11, 1426477), (13, 1207019), (143, 109729), (197, 79651), (557, 28171), (2167, 7241), (2561, 6127)]