15971517

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 24635520

約数和(自身を除く): 8664003

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 751, 1251, 2253, 2363, 6759, 7089, 12767, 21267, 38301, 104389, 114903, 313167, 939501, 1774613, 5323839, 15971517]

約数ペア:

[(1, 15971517), (3, 5323839), (9, 1774613), (17, 939501), (51, 313167), (139, 114903), (153, 104389), (417, 38301), (751, 21267), (1251, 12767), (2253, 7089), (2363, 6759)]