81447513

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{30539}}^1$

素因数の和:30676

約数の個数: 16

約数和(自身を含む): 125091840

約数和(自身を除く): 43644327

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 30539, 91617, 213773, 641319, 3878453, 11635359, 27149171, 81447513]

約数ペア:

[(1, 81447513), (3, 27149171), (7, 11635359), (21, 3878453), (127, 641319), (381, 213773), (889, 91617), (2667, 30539)]