13903491

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 22049280

約数和(自身を除く): 8145789

約数列:

[1, 3, 7, 21, 43, 89, 129, 173, 267, 301, 519, 623, 903, 1211, 1869, 3633, 3827, 7439, 11481, 15397, 22317, 26789, 46191, 52073, 80367, 107779, 156219, 323337, 662071, 1986213, 4634497, 13903491]

約数ペア:

[(1, 13903491), (3, 4634497), (7, 1986213), (21, 662071), (43, 323337), (89, 156219), (129, 107779), (173, 80367), (267, 52073), (301, 46191), (519, 26789), (623, 22317), (903, 15397), (1211, 11481), (1869, 7439), (3633, 3827)]