81999045

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{7561}}^1$

素因数の和:7813

約数の個数: 24

約数和(自身を含む): 142740312

約数和(自身を除く): 60741267

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 7561, 10845, 22683, 37805, 68049, 113415, 340245, 1822201, 5466603, 9111005, 16399809, 27333015, 81999045]

約数ペア:

[(1, 81999045), (3, 27333015), (5, 16399809), (9, 9111005), (15, 5466603), (45, 1822201), (241, 340245), (723, 113415), (1205, 68049), (2169, 37805), (3615, 22683), (7561, 10845)]