78519699

素因数分解:

$3^4\times {\mathrm{607}}^1\times {\mathrm{1597}}^1$

素因数の和:2216

約数の個数: 20

約数和(自身を含む): 117561664

約数和(自身を除く): 39041965

約数列:

[1, 3, 9, 27, 81, 607, 1597, 1821, 4791, 5463, 14373, 16389, 43119, 49167, 129357, 969379, 2908137, 8724411, 26173233, 78519699]

約数ペア:

[(1, 78519699), (3, 26173233), (9, 8724411), (27, 2908137), (81, 969379), (607, 129357), (1597, 49167), (1821, 43119), (4791, 16389), (5463, 14373)]