2111109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 4085760

約数和(自身を除く): 1974651

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 37, 39, 57, 77, 91, 111, 133, 143, 209, 231, 247, 259, 273, 399, 407, 429, 481, 627, 703, 741, 777, 1001, 1221, 1443, 1463, 1729, 2109, 2717, 2849, 3003, 3367, 4389, 4921, 5187, 5291, 7733, 8151, 8547, 9139, 10101, 14763, 15873, 19019, 23199, 27417, 37037, 54131, 57057, 63973, 100529, 111111, 162393, 191919, 301587, 703703, 2111109]

約数ペア:

[(1, 2111109), (3, 703703), (7, 301587), (11, 191919), (13, 162393), (19, 111111), (21, 100529), (33, 63973), (37, 57057), (39, 54131), (57, 37037), (77, 27417), (91, 23199), (111, 19019), (133, 15873), (143, 14763), (209, 10101), (231, 9139), (247, 8547), (259, 8151), (273, 7733), (399, 5291), (407, 5187), (429, 4921), (481, 4389), (627, 3367), (703, 3003), (741, 2849), (777, 2717), (1001, 2109), (1221, 1729), (1443, 1463)]