13240791

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 20027280

約数和(自身を除く): 6786489

約数列:

[1, 3, 9, 29, 87, 97, 261, 291, 523, 873, 1569, 2813, 4707, 8439, 15167, 25317, 45501, 50731, 136503, 152193, 456579, 1471199, 4413597, 13240791]

約数ペア:

[(1, 13240791), (3, 4413597), (9, 1471199), (29, 456579), (87, 152193), (97, 136503), (261, 50731), (291, 45501), (523, 25317), (873, 15167), (1569, 8439), (2813, 4707)]