28021797

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7963}}^1$

素因数の和:8009

約数の個数: 24

約数和(自身を含む): 44725824

約数和(自身を除く): 16704027

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 7963, 23889, 71667, 135371, 183149, 406113, 549447, 1218339, 1648341, 3113533, 9340599, 28021797]

約数ペア:

[(1, 28021797), (3, 9340599), (9, 3113533), (17, 1648341), (23, 1218339), (51, 549447), (69, 406113), (153, 183149), (207, 135371), (391, 71667), (1173, 23889), (3519, 7963)]