447796209

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{22189}}^1$

素因数の和:22261

約数の個数: 24

約数和(自身を含む): 705109440

約数和(自身を除く): 257313231

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6727, 20181, 22189, 66567, 155323, 465969, 687859, 2063577, 4815013, 14445039, 21323629, 63970887, 149265403, 447796209]

約数ペア:

[(1, 447796209), (3, 149265403), (7, 63970887), (21, 21323629), (31, 14445039), (93, 4815013), (217, 2063577), (651, 687859), (961, 465969), (2883, 155323), (6727, 66567), (20181, 22189)]