80568585

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20117}}^1$

素因数の和:20217

約数の個数: 24

約数和(自身を含む): 141228360

約数和(自身を除く): 60659775

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 20117, 60351, 100585, 181053, 301755, 905265, 1790413, 5371239, 8952065, 16113717, 26856195, 80568585]

約数ペア:

[(1, 80568585), (3, 26856195), (5, 16113717), (9, 8952065), (15, 5371239), (45, 1790413), (89, 905265), (267, 301755), (445, 181053), (801, 100585), (1335, 60351), (4005, 20117)]