7721145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10093}}^1$

素因数の和:10121

約数の個数: 24

約数和(自身を含む): 14171976

約数和(自身を除く): 6450831

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 10093, 30279, 50465, 90837, 151395, 171581, 454185, 514743, 857905, 1544229, 2573715, 7721145]

約数ペア:

[(1, 7721145), (3, 2573715), (5, 1544229), (9, 857905), (15, 514743), (17, 454185), (45, 171581), (51, 151395), (85, 90837), (153, 50465), (255, 30279), (765, 10093)]