15980919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1117}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 22538880

約数和(自身を除く): 6557961

約数列:

[1, 3, 19, 57, 251, 753, 1117, 3351, 4769, 14307, 21223, 63669, 280367, 841101, 5326973, 15980919]

約数ペア:

[(1, 15980919), (3, 5326973), (19, 841101), (57, 280367), (251, 63669), (753, 21223), (1117, 14307), (3351, 4769)]