81654015

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{42863}}^1$

素因数の和:42998

約数の個数: 16

約数和(自身を含む): 131678208

約数和(自身を除く): 50024193

約数列:

[1, 3, 5, 15, 127, 381, 635, 1905, 42863, 128589, 214315, 642945, 5443601, 16330803, 27218005, 81654015]

約数ペア:

[(1, 81654015), (3, 27218005), (5, 16330803), (15, 5443601), (127, 642945), (381, 214315), (635, 128589), (1905, 42863)]