99918891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{20149}}^1$

素因数の和:20203

約数の個数: 24

約数和(自身を含む): 157170000

約数和(自身を除く): 57251109

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 20149, 60447, 181341, 382831, 584321, 1148493, 1752963, 3445479, 5258889, 11102099, 33306297, 99918891]

約数ペア:

[(1, 99918891), (3, 33306297), (9, 11102099), (19, 5258889), (29, 3445479), (57, 1752963), (87, 1148493), (171, 584321), (261, 382831), (551, 181341), (1653, 60447), (4959, 20149)]