2181003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1240437

約数列:

[1, 3, 11, 29, 33, 43, 53, 87, 129, 159, 319, 473, 583, 957, 1247, 1419, 1537, 1749, 2279, 3741, 4611, 6837, 13717, 16907, 25069, 41151, 50721, 66091, 75207, 198273, 727001, 2181003]

約数ペア:

[(1, 2181003), (3, 727001), (11, 198273), (29, 75207), (33, 66091), (43, 50721), (53, 41151), (87, 25069), (129, 16907), (159, 13717), (319, 6837), (473, 4611), (583, 3741), (957, 2279), (1247, 1749), (1419, 1537)]