28697085

素因数分解:

$3^6\times 5^1\times {\mathrm{7873}}^1$

素因数の和:7896

約数の個数: 28

約数和(自身を含む): 51637692

約数和(自身を除く): 22940607

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7873, 23619, 39365, 70857, 118095, 212571, 354285, 637713, 1062855, 1913139, 3188565, 5739417, 9565695, 28697085]

約数ペア:

[(1, 28697085), (3, 9565695), (5, 5739417), (9, 3188565), (15, 1913139), (27, 1062855), (45, 637713), (81, 354285), (135, 212571), (243, 118095), (405, 70857), (729, 39365), (1215, 23619), (3645, 7873)]