805954779

素因数分解:

$3^4\times 7^1\times {\mathrm{1421437}}^1$

素因数の和:1421456

約数の個数: 20

約数和(自身を含む): 1375951984

約数和(自身を除く): 569997205

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1421437, 4264311, 9950059, 12792933, 29850177, 38378799, 89550531, 115136397, 268651593, 805954779]

約数ペア:

[(1, 805954779), (3, 268651593), (7, 115136397), (9, 89550531), (21, 38378799), (27, 29850177), (63, 12792933), (81, 9950059), (189, 4264311), (567, 1421437)]