199981389

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{15017}}^1$

素因数の和:15236

約数の個数: 16

約数和(自身を含む): 279695232

約数和(自身を除く): 79713843

約数列:

[1, 3, 23, 69, 193, 579, 4439, 13317, 15017, 45051, 345391, 1036173, 2898281, 8694843, 66660463, 199981389]

約数ペア:

[(1, 199981389), (3, 66660463), (23, 8694843), (69, 2898281), (193, 1036173), (579, 345391), (4439, 45051), (13317, 15017)]