17780229

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1206

約数の個数: 20

約数和(自身を含む): 26705184

約数和(自身を除く): 8924955

約数列:

[1, 3, 9, 27, 81, 227, 681, 967, 2043, 2901, 6129, 8703, 18387, 26109, 78327, 219509, 658527, 1975581, 5926743, 17780229]

約数ペア:

[(1, 17780229), (3, 5926743), (9, 1975581), (27, 658527), (81, 219509), (227, 78327), (681, 26109), (967, 18387), (2043, 8703), (2901, 6129)]