15991339

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10337}}^1$

素因数の和:10374

約数の個数: 16

約数和(自身を含む): 20841408

約数和(自身を除く): 4850069

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 10337, 72359, 134381, 175729, 940667, 1230103, 2284477, 15991339]

約数ペア:

[(1, 15991339), (7, 2284477), (13, 1230103), (17, 940667), (91, 175729), (119, 134381), (221, 72359), (1547, 10337)]