6640557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 12441600

約数和(自身を除く): 5801043

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 89, 119, 133, 187, 209, 231, 267, 323, 357, 399, 561, 623, 627, 969, 979, 1309, 1463, 1513, 1691, 1869, 2261, 2937, 3553, 3927, 4389, 4539, 5073, 6783, 6853, 10591, 10659, 11837, 16643, 18601, 20559, 24871, 28747, 31773, 35511, 49929, 55803, 74613, 86241, 116501, 130207, 201229, 316217, 349503, 390621, 603687, 948651, 2213519, 6640557]

約数ペア:

[(1, 6640557), (3, 2213519), (7, 948651), (11, 603687), (17, 390621), (19, 349503), (21, 316217), (33, 201229), (51, 130207), (57, 116501), (77, 86241), (89, 74613), (119, 55803), (133, 49929), (187, 35511), (209, 31773), (231, 28747), (267, 24871), (323, 20559), (357, 18601), (399, 16643), (561, 11837), (623, 10659), (627, 10591), (969, 6853), (979, 6783), (1309, 5073), (1463, 4539), (1513, 4389), (1691, 3927), (1869, 3553), (2261, 2937)]