20701413

素因数分解:

$3^6\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 28

約数和(自身を含む): 31543980

約数和(自身を除く): 10842567

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 389, 657, 729, 1167, 1971, 3501, 5913, 10503, 17739, 28397, 31509, 53217, 85191, 94527, 255573, 283581, 766719, 2300157, 6900471, 20701413]

約数ペア:

[(1, 20701413), (3, 6900471), (9, 2300157), (27, 766719), (73, 283581), (81, 255573), (219, 94527), (243, 85191), (389, 53217), (657, 31509), (729, 28397), (1167, 17739), (1971, 10503), (3501, 5913)]