1221297

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 2156544

約数和(自身を除く): 935247

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 311, 357, 561, 933, 1309, 2177, 3421, 3927, 5287, 6531, 10263, 15861, 23947, 37009, 58157, 71841, 111027, 174471, 407099, 1221297]

約数ペア:

[(1, 1221297), (3, 407099), (7, 174471), (11, 111027), (17, 71841), (21, 58157), (33, 37009), (51, 23947), (77, 15861), (119, 10263), (187, 6531), (231, 5287), (311, 3927), (357, 3421), (561, 2177), (933, 1309)]