1230885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 2260440

約数和(自身を除く): 1029555

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1609, 4827, 8045, 14481, 24135, 27353, 72405, 82059, 136765, 246177, 410295, 1230885]

約数ペア:

[(1, 1230885), (3, 410295), (5, 246177), (9, 136765), (15, 82059), (17, 72405), (45, 27353), (51, 24135), (85, 14481), (153, 8045), (255, 4827), (765, 1609)]