15440157

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 22995648

約数和(自身を除く): 7555491

約数列:

[1, 3, 9, 71, 73, 213, 219, 331, 639, 657, 993, 2979, 5183, 15549, 23501, 24163, 46647, 70503, 72489, 211509, 217467, 1715573, 5146719, 15440157]

約数ペア:

[(1, 15440157), (3, 5146719), (9, 1715573), (71, 217467), (73, 211509), (213, 72489), (219, 70503), (331, 46647), (639, 24163), (657, 23501), (993, 15549), (2979, 5183)]