1293453

素因数分解:

$3^2\times 7^3\times {\mathrm{419}}^1$

素因数の和:446

約数の個数: 24

約数和(自身を含む): 2184000

約数和(自身を除く): 890547

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 419, 441, 1029, 1257, 2933, 3087, 3771, 8799, 20531, 26397, 61593, 143717, 184779, 431151, 1293453]

約数ペア:

[(1, 1293453), (3, 431151), (7, 184779), (9, 143717), (21, 61593), (49, 26397), (63, 20531), (147, 8799), (343, 3771), (419, 3087), (441, 2933), (1029, 1257)]