26881641

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7639}}^1$

素因数の和:7685

約数の個数: 24

約数和(自身を含む): 42906240

約数和(自身を除く): 16024599

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 7639, 22917, 68751, 129863, 175697, 389589, 527091, 1168767, 1581273, 2986849, 8960547, 26881641]

約数ペア:

[(1, 26881641), (3, 8960547), (9, 2986849), (17, 1581273), (23, 1168767), (51, 527091), (69, 389589), (153, 175697), (207, 129863), (391, 68751), (1173, 22917), (3519, 7639)]