51691191

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{3613}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 72858240

約数和(自身を除く): 21167049

約数列:

[1, 3, 19, 57, 251, 753, 3613, 4769, 10839, 14307, 68647, 205941, 906863, 2720589, 17230397, 51691191]

約数ペア:

[(1, 51691191), (3, 17230397), (19, 2720589), (57, 906863), (251, 205941), (753, 68647), (3613, 14307), (4769, 10839)]