15920891

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 19371456

約数和(自身を除く): 3450565

約数列:

[1, 7, 17, 119, 337, 397, 2359, 2779, 5729, 6749, 40103, 47243, 133789, 936523, 2274413, 15920891]

約数ペア:

[(1, 15920891), (7, 2274413), (17, 936523), (119, 133789), (337, 47243), (397, 40103), (2359, 6749), (2779, 5729)]