15821355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 13289685

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 121, 165, 253, 345, 363, 379, 605, 759, 1137, 1265, 1815, 1895, 2783, 3795, 4169, 5685, 8349, 8717, 12507, 13915, 20845, 26151, 41745, 43585, 45859, 62535, 95887, 130755, 137577, 229295, 287661, 479435, 687885, 1054757, 1438305, 3164271, 5273785, 15821355]

約数ペア:

[(1, 15821355), (3, 5273785), (5, 3164271), (11, 1438305), (15, 1054757), (23, 687885), (33, 479435), (55, 287661), (69, 229295), (115, 137577), (121, 130755), (165, 95887), (253, 62535), (345, 45859), (363, 43585), (379, 41745), (605, 26151), (759, 20845), (1137, 13915), (1265, 12507), (1815, 8717), (1895, 8349), (2783, 5685), (3795, 4169)]