390621

素因数分解:

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

素因数の和:129

約数の個数: 32

約数和(自身を含む): 691200

約数和(自身を除く): 300579

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 89, 133, 209, 231, 267, 399, 623, 627, 979, 1463, 1691, 1869, 2937, 4389, 5073, 6853, 11837, 18601, 20559, 35511, 55803, 130207, 390621]

約数ペア:

[(1, 390621), (3, 130207), (7, 55803), (11, 35511), (19, 20559), (21, 18601), (33, 11837), (57, 6853), (77, 5073), (89, 4389), (133, 2937), (209, 1869), (231, 1691), (267, 1463), (399, 979), (623, 627)]