28930005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2950

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 28268955

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2909, 3315, 8727, 9945, 14545, 26181, 37817, 43635, 49453, 113451, 130905, 148359, 189085, 247265, 340353, 445077, 567255, 642889, 741795, 1701765, 1928667, 2225385, 3214445, 5786001, 9643335, 28930005]

約数ペア:

[(1, 28930005), (3, 9643335), (5, 5786001), (9, 3214445), (13, 2225385), (15, 1928667), (17, 1701765), (39, 741795), (45, 642889), (51, 567255), (65, 445077), (85, 340353), (117, 247265), (153, 189085), (195, 148359), (221, 130905), (255, 113451), (585, 49453), (663, 43635), (765, 37817), (1105, 26181), (1989, 14545), (2909, 9945), (3315, 8727)]