13390419

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 21446656

約数和(自身を除く): 8056237

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 307, 469, 651, 921, 1407, 2077, 2149, 6231, 6447, 9517, 14539, 20569, 28551, 43617, 61707, 66619, 143983, 199857, 431949, 637639, 1912917, 4463473, 13390419]

約数ペア:

[(1, 13390419), (3, 4463473), (7, 1912917), (21, 637639), (31, 431949), (67, 199857), (93, 143983), (201, 66619), (217, 61707), (307, 43617), (469, 28551), (651, 20569), (921, 14539), (1407, 9517), (2077, 6447), (2149, 6231)]