201991320009

素因数分解:

$3^2\times {\mathrm{30211}}^1\times {\mathrm{742891}}^1$

素因数の和:773108

約数の個数: 12

約数和(自身を含む): 291775290352

約数和(自身を除く): 89783970343

約数列:

[1, 3, 9, 30211, 90633, 271899, 742891, 2228673, 6686019, 22443480001, 67330440003, 201991320009]

約数ペア:

[(1, 201991320009), (3, 67330440003), (9, 22443480001), (30211, 6686019), (90633, 2228673), (271899, 742891)]