81403509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107251}}^1$

素因数の和:107288

約数の個数: 16

約数和(自身を含む): 123554304

約数和(自身を除く): 42150795

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 107251, 321753, 1179761, 2466773, 3539283, 7400319, 27134503, 81403509]

約数ペア:

[(1, 81403509), (3, 27134503), (11, 7400319), (23, 3539283), (33, 2466773), (69, 1179761), (253, 321753), (759, 107251)]