1986859953

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{239179}}^1$

素因数の和:239269

約数の個数: 24

約数和(自身を含む): 3134214720

約数和(自身を除く): 1147354767

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 239179, 717537, 2152611, 3109327, 9327981, 16981709, 27983943, 50945127, 152835381, 220762217, 662286651, 1986859953]

約数ペア:

[(1, 1986859953), (3, 662286651), (9, 220762217), (13, 152835381), (39, 50945127), (71, 27983943), (117, 16981709), (213, 9327981), (639, 3109327), (923, 2152611), (2769, 717537), (8307, 239179)]