81433878

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{20533}}^1$

素因数の和:21199

約数の個数: 16

約数和(自身を含む): 163122096

約数和(自身を除く): 81688218

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 20533, 41066, 61599, 123198, 13572313, 27144626, 40716939, 81433878]

約数ペア:

[(1, 81433878), (2, 40716939), (3, 27144626), (6, 13572313), (661, 123198), (1322, 61599), (1983, 41066), (3966, 20533)]