2681679

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 5160960

約数和(自身を除く): 2479281

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 47, 57, 77, 91, 133, 141, 143, 209, 231, 247, 273, 329, 399, 429, 517, 611, 627, 741, 893, 987, 1001, 1463, 1551, 1729, 1833, 2679, 2717, 3003, 3619, 4277, 4389, 5187, 6251, 6721, 8151, 9823, 10857, 11609, 12831, 18753, 19019, 20163, 29469, 34827, 47047, 57057, 68761, 81263, 127699, 141141, 206283, 243789, 383097, 893893, 2681679]

約数ペア:

[(1, 2681679), (3, 893893), (7, 383097), (11, 243789), (13, 206283), (19, 141141), (21, 127699), (33, 81263), (39, 68761), (47, 57057), (57, 47047), (77, 34827), (91, 29469), (133, 20163), (141, 19019), (143, 18753), (209, 12831), (231, 11609), (247, 10857), (273, 9823), (329, 8151), (399, 6721), (429, 6251), (517, 5187), (611, 4389), (627, 4277), (741, 3619), (893, 3003), (987, 2717), (1001, 2679), (1463, 1833), (1551, 1729)]