243347409

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{81197}}^1$

素因数の和:81246

約数の個数: 20

約数和(自身を含む): 373348404

約数和(自身を除く): 130000995

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 81197, 243591, 730773, 2192319, 3004289, 6576957, 9012867, 27038601, 81115803, 243347409]

約数ペア:

[(1, 243347409), (3, 81115803), (9, 27038601), (27, 9012867), (37, 6576957), (81, 3004289), (111, 2192319), (333, 730773), (999, 243591), (2997, 81197)]