13247913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 8649303

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 863, 903, 2193, 2589, 5117, 6041, 14671, 15351, 18123, 37109, 44013, 102697, 111327, 259763, 308091, 630853, 779289, 1892559, 4415971, 13247913]

約数ペア:

[(1, 13247913), (3, 4415971), (7, 1892559), (17, 779289), (21, 630853), (43, 308091), (51, 259763), (119, 111327), (129, 102697), (301, 44013), (357, 37109), (731, 18123), (863, 15351), (903, 14671), (2193, 6041), (2589, 5117)]