13912521

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 23113728

約数和(自身を除く): 9201207

約数列:

[1, 3, 7, 21, 31, 43, 49, 71, 93, 129, 147, 213, 217, 301, 497, 651, 903, 1333, 1491, 1519, 2107, 2201, 3053, 3479, 3999, 4557, 6321, 6603, 9159, 9331, 10437, 15407, 21371, 27993, 46221, 64113, 65317, 94643, 107849, 149597, 195951, 283929, 323547, 448791, 662501, 1987503, 4637507, 13912521]

約数ペア:

[(1, 13912521), (3, 4637507), (7, 1987503), (21, 662501), (31, 448791), (43, 323547), (49, 283929), (71, 195951), (93, 149597), (129, 107849), (147, 94643), (213, 65317), (217, 64113), (301, 46221), (497, 27993), (651, 21371), (903, 15407), (1333, 10437), (1491, 9331), (1519, 9159), (2107, 6603), (2201, 6321), (3053, 4557), (3479, 3999)]