16388973

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{6977}}^1$

素因数の和:7018

約数の個数: 20

約数和(自身を含む): 25330140

約数和(自身を除く): 8941167

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 6977, 20931, 62793, 188379, 202333, 565137, 606999, 1820997, 5462991, 16388973]

約数ペア:

[(1, 16388973), (3, 5462991), (9, 1820997), (27, 606999), (29, 565137), (81, 202333), (87, 188379), (261, 62793), (783, 20931), (2349, 6977)]