17972037

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 28

約数和(自身を含む): 27346860

約数和(自身を除く): 9374823

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 277, 729, 801, 831, 2403, 2493, 7209, 7479, 21627, 22437, 24653, 64881, 67311, 73959, 201933, 221877, 665631, 1996893, 5990679, 17972037]

約数ペア:

[(1, 17972037), (3, 5990679), (9, 1996893), (27, 665631), (81, 221877), (89, 201933), (243, 73959), (267, 67311), (277, 64881), (729, 24653), (801, 22437), (831, 21627), (2403, 7479), (2493, 7209)]