15981337

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 17797120

約数和(自身を除く): 1815783

約数列:

[1, 19, 31, 43, 589, 631, 817, 1333, 11989, 19561, 25327, 27133, 371659, 515527, 841123, 15981337]

約数ペア:

[(1, 15981337), (19, 841123), (31, 515527), (43, 371659), (589, 27133), (631, 25327), (817, 19561), (1333, 11989)]