81704205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165059}}^1$

素因数の和:165081

約数の個数: 24

約数和(自身を含む): 154496160

約数和(自身を除く): 72791955

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 165059, 495177, 825295, 1485531, 1815649, 2475885, 5446947, 7427655, 9078245, 16340841, 27234735, 81704205]

約数ペア:

[(1, 81704205), (3, 27234735), (5, 16340841), (9, 9078245), (11, 7427655), (15, 5446947), (33, 2475885), (45, 1815649), (55, 1485531), (99, 825295), (165, 495177), (495, 165059)]