81345859

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{1321}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 98145280

約数和(自身を除く): 16799421

約数列:

[1, 7, 19, 133, 463, 1321, 3241, 8797, 9247, 25099, 61579, 175693, 611623, 4281361, 11620837, 81345859]

約数ペア:

[(1, 81345859), (7, 11620837), (19, 4281361), (133, 611623), (463, 175693), (1321, 61579), (3241, 25099), (8797, 9247)]