7904709

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4278

約数の個数: 20

約数和(自身を含む): 12324576

約数和(自身を除く): 4419867

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 4243, 12729, 38187, 97589, 114561, 292767, 343683, 878301, 2634903, 7904709]

約数ペア:

[(1, 7904709), (3, 2634903), (9, 878301), (23, 343683), (27, 292767), (69, 114561), (81, 97589), (207, 38187), (621, 12729), (1863, 4243)]