39291981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 24574899

約数列:

[1, 3, 17, 19, 23, 41, 43, 51, 57, 69, 123, 129, 323, 391, 437, 697, 731, 779, 817, 943, 969, 989, 1173, 1311, 1763, 2091, 2193, 2337, 2451, 2829, 2967, 5289, 7429, 13243, 13889, 16031, 16813, 17917, 18791, 22287, 29971, 33497, 39729, 40549, 41667, 48093, 50439, 53751, 56373, 89913, 100491, 121647, 304589, 319447, 569449, 689333, 770431, 913767, 958341, 1708347, 2067999, 2311293, 13097327, 39291981]

約数ペア:

[(1, 39291981), (3, 13097327), (17, 2311293), (19, 2067999), (23, 1708347), (41, 958341), (43, 913767), (51, 770431), (57, 689333), (69, 569449), (123, 319447), (129, 304589), (323, 121647), (391, 100491), (437, 89913), (697, 56373), (731, 53751), (779, 50439), (817, 48093), (943, 41667), (969, 40549), (989, 39729), (1173, 33497), (1311, 29971), (1763, 22287), (2091, 18791), (2193, 17917), (2337, 16813), (2451, 16031), (2829, 13889), (2967, 13243), (5289, 7429)]