81742545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106853}}^1$

素因数の和:106881

約数の個数: 24

約数和(自身を含む): 150023016

約数和(自身を除く): 68280471

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 106853, 320559, 534265, 961677, 1602795, 1816501, 4808385, 5449503, 9082505, 16348509, 27247515, 81742545]

約数ペア:

[(1, 81742545), (3, 27247515), (5, 16348509), (9, 9082505), (15, 5449503), (17, 4808385), (45, 1816501), (51, 1602795), (85, 961677), (153, 534265), (255, 320559), (765, 106853)]