1987131

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 2856960

約数和(自身を除く): 869829

約数列:

[1, 3, 23, 31, 69, 93, 713, 929, 2139, 2787, 21367, 28799, 64101, 86397, 662377, 1987131]

約数ペア:

[(1, 1987131), (3, 662377), (23, 86397), (31, 64101), (69, 28799), (93, 21367), (713, 2787), (929, 2139)]