201678903

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{15859}}^1$

素因数の和:16028

約数の個数: 20

約数和(自身を含む): 303211480

約数和(自身を除く): 101532577

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 15859, 47577, 142731, 428193, 1284579, 2489863, 7469589, 22408767, 67226301, 201678903]

約数ペア:

[(1, 201678903), (3, 67226301), (9, 22408767), (27, 7469589), (81, 2489863), (157, 1284579), (471, 428193), (1413, 142731), (4239, 47577), (12717, 15859)]