785778813

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{40253}}^1$

素因数の和:40506

約数の個数: 20

約数和(自身を含む): 1178717628

約数和(自身を除く): 392938815

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 6507, 19521, 40253, 120759, 362277, 1086831, 3260493, 9700973, 29102919, 87308757, 261926271, 785778813]

約数ペア:

[(1, 785778813), (3, 261926271), (9, 87308757), (27, 29102919), (81, 9700973), (241, 3260493), (723, 1086831), (2169, 362277), (6507, 120759), (19521, 40253)]