15190821

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{1123}}^1$

素因数の和:1302

約数の個数: 20

約数和(自身を含む): 22848672

約数和(自身を除く): 7657851

約数列:

[1, 3, 9, 27, 81, 167, 501, 1123, 1503, 3369, 4509, 10107, 13527, 30321, 90963, 187541, 562623, 1687869, 5063607, 15190821]

約数ペア:

[(1, 15190821), (3, 5063607), (9, 1687869), (27, 562623), (81, 187541), (167, 90963), (501, 30321), (1123, 13527), (1503, 10107), (3369, 4509)]