81856665

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165367}}^1$

素因数の和:165389

約数の個数: 24

約数和(自身を含む): 154784448

約数和(自身を除く): 72927783

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 165367, 496101, 826835, 1488303, 1819037, 2480505, 5457111, 7441515, 9095185, 16371333, 27285555, 81856665]

約数ペア:

[(1, 81856665), (3, 27285555), (5, 16371333), (9, 9095185), (11, 7441515), (15, 5457111), (33, 2480505), (45, 1819037), (55, 1488303), (99, 826835), (165, 496101), (495, 165367)]