8878779

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 16266432

約数和(自身を除く): 7387653

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 293, 333, 481, 777, 819, 879, 1443, 2051, 2331, 2637, 3367, 3809, 4329, 6153, 10101, 10841, 11427, 18459, 26663, 30303, 32523, 34281, 75887, 79989, 97569, 140933, 227661, 239967, 422799, 682983, 986531, 1268397, 2959593, 8878779]

約数ペア:

[(1, 8878779), (3, 2959593), (7, 1268397), (9, 986531), (13, 682983), (21, 422799), (37, 239967), (39, 227661), (63, 140933), (91, 97569), (111, 79989), (117, 75887), (259, 34281), (273, 32523), (293, 30303), (333, 26663), (481, 18459), (777, 11427), (819, 10841), (879, 10101), (1443, 6153), (2051, 4329), (2331, 3809), (2637, 3367)]