17121717

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 26208000

約数和(自身を除く): 9086283

約数列:

[1, 3, 9, 19, 57, 171, 223, 449, 669, 1347, 2007, 4041, 4237, 8531, 12711, 25593, 38133, 76779, 100127, 300381, 901143, 1902413, 5707239, 17121717]

約数ペア:

[(1, 17121717), (3, 5707239), (9, 1902413), (19, 901143), (57, 300381), (171, 100127), (223, 76779), (449, 38133), (669, 25593), (1347, 12711), (2007, 8531), (4041, 4237)]