15780687

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1381}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 22753248

約数和(自身を除く): 6972561

約数列:

[1, 3, 13, 39, 293, 879, 1381, 3809, 4143, 11427, 17953, 53859, 404633, 1213899, 5260229, 15780687]

約数ペア:

[(1, 15780687), (3, 5260229), (13, 1213899), (39, 404633), (293, 53859), (879, 17953), (1381, 11427), (3809, 4143)]