39993849

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3943}}^1$

素因数の和:3986

約数の個数: 36

約数和(自身を含む): 70140096

約数和(自身を除く): 30146247

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 3943, 10143, 11829, 27601, 35487, 82803, 90689, 193207, 248409, 272067, 579621, 634823, 816201, 1738863, 1904469, 4443761, 5713407, 13331283, 39993849]

約数ペア:

[(1, 39993849), (3, 13331283), (7, 5713407), (9, 4443761), (21, 1904469), (23, 1738863), (49, 816201), (63, 634823), (69, 579621), (147, 272067), (161, 248409), (207, 193207), (441, 90689), (483, 82803), (1127, 35487), (1449, 27601), (3381, 11829), (3943, 10143)]