13906445

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 20049408

約数和(自身を除く): 6142963

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 1831, 7595, 9155, 12817, 56761, 64085, 89719, 283805, 397327, 448595, 1986635, 2781289, 13906445]

約数ペア:

[(1, 13906445), (5, 2781289), (7, 1986635), (31, 448595), (35, 397327), (49, 283805), (155, 89719), (217, 64085), (245, 56761), (1085, 12817), (1519, 9155), (1831, 7595)]