1888887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 3677184

約数和(自身を除く): 1788297

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 37, 39, 51, 77, 91, 111, 119, 143, 187, 221, 231, 259, 273, 357, 407, 429, 481, 561, 629, 663, 777, 1001, 1221, 1309, 1443, 1547, 1887, 2431, 2849, 3003, 3367, 3927, 4403, 4641, 5291, 6919, 7293, 8177, 8547, 10101, 13209, 15873, 17017, 20757, 24531, 37037, 48433, 51051, 57239, 89947, 111111, 145299, 171717, 269841, 629629, 1888887]

約数ペア:

[(1, 1888887), (3, 629629), (7, 269841), (11, 171717), (13, 145299), (17, 111111), (21, 89947), (33, 57239), (37, 51051), (39, 48433), (51, 37037), (77, 24531), (91, 20757), (111, 17017), (119, 15873), (143, 13209), (187, 10101), (221, 8547), (231, 8177), (259, 7293), (273, 6919), (357, 5291), (407, 4641), (429, 4403), (481, 3927), (561, 3367), (629, 3003), (663, 2849), (777, 2431), (1001, 1887), (1221, 1547), (1309, 1443)]