55117791

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{21191}}^1$

素因数の和:21231

約数の個数: 18

約数和(自身を含む): 84577272

約数和(自身を除く): 29459481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 21191, 63573, 190719, 360247, 1080741, 3242223, 6124199, 18372597, 55117791]

約数ペア:

[(1, 55117791), (3, 18372597), (9, 6124199), (17, 3242223), (51, 1080741), (153, 360247), (289, 190719), (867, 63573), (2601, 21191)]