157215573

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{4889}}^1$

素因数の和:5298

約数の個数: 20

約数和(自身を含む): 235492620

約数和(自身を除く): 78277047

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 4889, 10719, 14667, 32157, 44001, 132003, 396009, 1940933, 5822799, 17468397, 52405191, 157215573]

約数ペア:

[(1, 157215573), (3, 52405191), (9, 17468397), (27, 5822799), (81, 1940933), (397, 396009), (1191, 132003), (3573, 44001), (4889, 32157), (10719, 14667)]