17381817

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 27072000

約数和(自身を除く): 9690183

約数列:

[1, 3, 9, 27, 29, 79, 87, 237, 261, 281, 711, 783, 843, 2133, 2291, 2529, 6873, 7587, 8149, 20619, 22199, 24447, 61857, 66597, 73341, 199791, 220023, 599373, 643771, 1931313, 5793939, 17381817]

約数ペア:

[(1, 17381817), (3, 5793939), (9, 1931313), (27, 643771), (29, 599373), (79, 220023), (87, 199791), (237, 73341), (261, 66597), (281, 61857), (711, 24447), (783, 22199), (843, 20619), (2133, 8149), (2291, 7587), (2529, 6873)]