218928771

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{28057}}^1$

素因数の和:28100

約数の個数: 24

約数和(自身を含む): 344552240

約数和(自身を除く): 125623469

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 7803, 28057, 84171, 252513, 476969, 757539, 1430907, 4292721, 8108473, 12878163, 24325419, 72976257, 218928771]

約数ペア:

[(1, 218928771), (3, 72976257), (9, 24325419), (17, 12878163), (27, 8108473), (51, 4292721), (153, 1430907), (289, 757539), (459, 476969), (867, 252513), (2601, 84171), (7803, 28057)]