1313907

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 2188800

約数和(自身を除く): 874893

約数列:

[1, 3, 7, 19, 21, 37, 57, 89, 111, 133, 259, 267, 399, 623, 703, 777, 1691, 1869, 2109, 3293, 4921, 5073, 9879, 11837, 14763, 23051, 35511, 62567, 69153, 187701, 437969, 1313907]

約数ペア:

[(1, 1313907), (3, 437969), (7, 187701), (19, 69153), (21, 62567), (37, 35511), (57, 23051), (89, 14763), (111, 11837), (133, 9879), (259, 5073), (267, 4921), (399, 3293), (623, 2109), (703, 1869), (777, 1691)]