207877563

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{108439}}^1$

素因数の和:108519

約数の個数: 16

約数和(自身を含む): 312307200

約数和(自身を除く): 104429637

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 108439, 325317, 975951, 2927853, 7699169, 23097507, 69292521, 207877563]

約数ペア:

[(1, 207877563), (3, 69292521), (9, 23097507), (27, 7699169), (71, 2927853), (213, 975951), (639, 325317), (1917, 108439)]