78341991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9257}}^1$

素因数の和:9311

約数の個数: 32

約数和(自身を含む): 132722688

約数和(自身を除く): 54380697

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 9257, 27771, 64799, 120341, 194397, 286967, 361023, 842387, 860901, 2008769, 2527161, 3730571, 6026307, 11191713, 26113997, 78341991]

約数ペア:

[(1, 78341991), (3, 26113997), (7, 11191713), (13, 6026307), (21, 3730571), (31, 2527161), (39, 2008769), (91, 860901), (93, 842387), (217, 361023), (273, 286967), (403, 194397), (651, 120341), (1209, 64799), (2821, 27771), (8463, 9257)]