13904709

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 24022656

約数和(自身を除く): 10117947

約数列:

[1, 3, 7, 13, 21, 31, 39, 53, 91, 93, 159, 217, 273, 371, 403, 651, 689, 961, 1113, 1209, 1643, 2067, 2821, 2883, 4823, 4929, 6727, 8463, 11501, 12493, 14469, 20181, 21359, 34503, 37479, 50933, 64077, 87451, 149513, 152799, 262353, 356531, 448539, 662129, 1069593, 1986387, 4634903, 13904709]

約数ペア:

[(1, 13904709), (3, 4634903), (7, 1986387), (13, 1069593), (21, 662129), (31, 448539), (39, 356531), (53, 262353), (91, 152799), (93, 149513), (159, 87451), (217, 64077), (273, 50933), (371, 37479), (403, 34503), (651, 21359), (689, 20181), (961, 14469), (1113, 12493), (1209, 11501), (1643, 8463), (2067, 6727), (2821, 4929), (2883, 4823)]