17965071

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{863}}^1$

素因数の和:1132

約数の個数: 20

約数和(自身を含む): 26972352

約数和(自身を除く): 9007281

約数列:

[1, 3, 9, 27, 81, 257, 771, 863, 2313, 2589, 6939, 7767, 20817, 23301, 69903, 221791, 665373, 1996119, 5988357, 17965071]

約数ペア:

[(1, 17965071), (3, 5988357), (9, 1996119), (27, 665373), (81, 221791), (257, 69903), (771, 23301), (863, 20817), (2313, 7767), (2589, 6939)]