1245639297

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{4723}}^1$

素因数の和:5413

約数の個数: 32

約数和(自身を含む): 2001464320

約数和(自身を除く): 755825023

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 661, 1983, 4627, 4723, 12559, 13881, 14169, 33061, 37677, 87913, 89737, 99183, 263739, 269211, 628159, 1884477, 3121903, 9365709, 21853321, 59316157, 65559963, 177948471, 415213099, 1245639297]

約数ペア:

[(1, 1245639297), (3, 415213099), (7, 177948471), (19, 65559963), (21, 59316157), (57, 21853321), (133, 9365709), (399, 3121903), (661, 1884477), (1983, 628159), (4627, 269211), (4723, 263739), (12559, 99183), (13881, 89737), (14169, 87913), (33061, 37677)]