81551178

素因数分解:

$2^1\times 3^3\times {\mathrm{1510207}}^1$

素因数の和:1510218

約数の個数: 16

約数和(自身を含む): 181224960

約数和(自身を除く): 99673782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1510207, 3020414, 4530621, 9061242, 13591863, 27183726, 40775589, 81551178]

約数ペア:

[(1, 81551178), (2, 40775589), (3, 27183726), (6, 13591863), (9, 9061242), (18, 4530621), (27, 3020414), (54, 1510207)]