17802207

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 27878400

約数和(自身を除く): 10076193

約数列:

[1, 3, 9, 23, 27, 69, 109, 207, 263, 327, 621, 789, 981, 2367, 2507, 2943, 6049, 7101, 7521, 18147, 22563, 28667, 54441, 67689, 86001, 163323, 258003, 659341, 774009, 1978023, 5934069, 17802207]

約数ペア:

[(1, 17802207), (3, 5934069), (9, 1978023), (23, 774009), (27, 659341), (69, 258003), (109, 163323), (207, 86001), (263, 67689), (327, 54441), (621, 28667), (789, 22563), (981, 18147), (2367, 7521), (2507, 7101), (2943, 6049)]