1240065

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 2277288

約数和(自身を除く): 1037223

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1621, 4863, 8105, 14589, 24315, 27557, 72945, 82671, 137785, 248013, 413355, 1240065]

約数ペア:

[(1, 1240065), (3, 413355), (5, 248013), (9, 137785), (15, 82671), (17, 72945), (45, 27557), (51, 24315), (85, 14589), (153, 8105), (255, 4863), (765, 1621)]