1298205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 2383992

約数和(自身を除く): 1085787

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1697, 5091, 8485, 15273, 25455, 28849, 76365, 86547, 144245, 259641, 432735, 1298205]

約数ペア:

[(1, 1298205), (3, 432735), (5, 259641), (9, 144245), (15, 86547), (17, 76365), (45, 28849), (51, 25455), (85, 15273), (153, 8485), (255, 5091), (765, 1697)]