39281991

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 62619648

約数和(自身を除く): 23337657

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 581, 651, 727, 1743, 2181, 2573, 5089, 7719, 15267, 18011, 22537, 54033, 60341, 67611, 157759, 181023, 422387, 473277, 1267161, 1870571, 5611713, 13093997, 39281991]

約数ペア:

[(1, 39281991), (3, 13093997), (7, 5611713), (21, 1870571), (31, 1267161), (83, 473277), (93, 422387), (217, 181023), (249, 157759), (581, 67611), (651, 60341), (727, 54033), (1743, 22537), (2181, 18011), (2573, 15267), (5089, 7719)]