43221321

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 76684608

約数和(自身を除く): 33463287

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 71, 99, 117, 121, 129, 143, 213, 363, 387, 429, 473, 559, 639, 781, 923, 1089, 1287, 1419, 1573, 1677, 2343, 2769, 3053, 4257, 4719, 5031, 5203, 6149, 7029, 8307, 8591, 9159, 10153, 14157, 15609, 18447, 25773, 27477, 30459, 33583, 39689, 46827, 55341, 67639, 77319, 91377, 100749, 111683, 119067, 202917, 302247, 335049, 357201, 369413, 436579, 608751, 1005147, 1108239, 1309737, 3324717, 3929211, 4802369, 14407107, 43221321]

約数ペア:

[(1, 43221321), (3, 14407107), (9, 4802369), (11, 3929211), (13, 3324717), (33, 1309737), (39, 1108239), (43, 1005147), (71, 608751), (99, 436579), (117, 369413), (121, 357201), (129, 335049), (143, 302247), (213, 202917), (363, 119067), (387, 111683), (429, 100749), (473, 91377), (559, 77319), (639, 67639), (781, 55341), (923, 46827), (1089, 39689), (1287, 33583), (1419, 30459), (1573, 27477), (1677, 25773), (2343, 18447), (2769, 15609), (3053, 14157), (4257, 10153), (4719, 9159), (5031, 8591), (5203, 8307), (6149, 7029)]