81607545

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{34217}}^1$

素因数の和:34281

約数の個数: 24

約数和(自身を含む): 144126216

約数和(自身を除く): 62518671

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 34217, 102651, 171085, 307953, 513255, 1539765, 1813501, 5440503, 9067505, 16321509, 27202515, 81607545]

約数ペア:

[(1, 81607545), (3, 27202515), (5, 16321509), (9, 9067505), (15, 5440503), (45, 1813501), (53, 1539765), (159, 513255), (265, 307953), (477, 171085), (795, 102651), (2385, 34217)]