28038285

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 27257715

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 79, 99, 135, 165, 237, 239, 297, 395, 495, 711, 717, 869, 1185, 1195, 1485, 2133, 2151, 2607, 2629, 3555, 3585, 4345, 6453, 7821, 7887, 10665, 10755, 13035, 13145, 18881, 23463, 23661, 32265, 39105, 39435, 56643, 70983, 94405, 117315, 118305, 169929, 207691, 283215, 354915, 509787, 623073, 849645, 1038455, 1869219, 2548935, 3115365, 5607657, 9346095, 28038285]

約数ペア:

[(1, 28038285), (3, 9346095), (5, 5607657), (9, 3115365), (11, 2548935), (15, 1869219), (27, 1038455), (33, 849645), (45, 623073), (55, 509787), (79, 354915), (99, 283215), (135, 207691), (165, 169929), (237, 118305), (239, 117315), (297, 94405), (395, 70983), (495, 56643), (711, 39435), (717, 39105), (869, 32265), (1185, 23661), (1195, 23463), (1485, 18881), (2133, 13145), (2151, 13035), (2607, 10755), (2629, 10665), (3555, 7887), (3585, 7821), (4345, 6453)]