30839907

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2089}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 50828800

約数和(自身を除く): 19988893

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2089, 2109, 4921, 6267, 14623, 14763, 39691, 43869, 77293, 119073, 231879, 277837, 541051, 833511, 1468567, 1623153, 4405701, 10279969, 30839907]

約数ペア:

[(1, 30839907), (3, 10279969), (7, 4405701), (19, 1623153), (21, 1468567), (37, 833511), (57, 541051), (111, 277837), (133, 231879), (259, 119073), (399, 77293), (703, 43869), (777, 39691), (2089, 14763), (2109, 14623), (4921, 6267)]