313058991

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{112087}}^1$

素因数の和:112123

約数の個数: 24

約数和(自身を含む): 511121280

約数和(自身を除く): 198062289

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 112087, 336261, 784609, 2129653, 2353827, 5492263, 6388959, 14907571, 16476789, 44722713, 104352997, 313058991]

約数ペア:

[(1, 313058991), (3, 104352997), (7, 44722713), (19, 16476789), (21, 14907571), (49, 6388959), (57, 5492263), (133, 2353827), (147, 2129653), (399, 784609), (931, 336261), (2793, 112087)]