80165133

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{3943}}^1$

素因数の和:4206

約数の個数: 20

約数和(自身を含む): 120260448

約数和(自身を除く): 40095315

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 3943, 6777, 11829, 20331, 35487, 106461, 319383, 989693, 2969079, 8907237, 26721711, 80165133]

約数ペア:

[(1, 80165133), (3, 26721711), (9, 8907237), (27, 2969079), (81, 989693), (251, 319383), (753, 106461), (2259, 35487), (3943, 20331), (6777, 11829)]