157020921

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1634

約数の個数: 36

約数和(自身を含む): 247253760

約数和(自身を除く): 90232839

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 361, 589, 1083, 1559, 1767, 3249, 4677, 5301, 11191, 14031, 29621, 33573, 48329, 88863, 100719, 144987, 266589, 434961, 562799, 918251, 1688397, 2754753, 5065191, 8264259, 17446769, 52340307, 157020921]

約数ペア:

[(1, 157020921), (3, 52340307), (9, 17446769), (19, 8264259), (31, 5065191), (57, 2754753), (93, 1688397), (171, 918251), (279, 562799), (361, 434961), (589, 266589), (1083, 144987), (1559, 100719), (1767, 88863), (3249, 48329), (4677, 33573), (5301, 29621), (11191, 14031)]