28692513

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 43804800

約数和(自身を除く): 15112287

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 2339, 4089, 7017, 12267, 21051, 67831, 109933, 203493, 329799, 610479, 989397, 3188057, 9564171, 28692513]

約数ペア:

[(1, 28692513), (3, 9564171), (9, 3188057), (29, 989397), (47, 610479), (87, 329799), (141, 203493), (261, 109933), (423, 67831), (1363, 21051), (2339, 12267), (4089, 7017)]