12858885

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 13268475

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 431, 459, 585, 663, 765, 1105, 1293, 1755, 1989, 2155, 2295, 3315, 3879, 5603, 5967, 6465, 7327, 9945, 11637, 16809, 19395, 21981, 28015, 29835, 36635, 50427, 58185, 65943, 84045, 95251, 109905, 151281, 197829, 252135, 285753, 329715, 476255, 756405, 857259, 989145, 1428765, 2571777, 4286295, 12858885]

約数ペア:

[(1, 12858885), (3, 4286295), (5, 2571777), (9, 1428765), (13, 989145), (15, 857259), (17, 756405), (27, 476255), (39, 329715), (45, 285753), (51, 252135), (65, 197829), (85, 151281), (117, 109905), (135, 95251), (153, 84045), (195, 65943), (221, 58185), (255, 50427), (351, 36635), (431, 29835), (459, 28015), (585, 21981), (663, 19395), (765, 16809), (1105, 11637), (1293, 9945), (1755, 7327), (1989, 6465), (2155, 5967), (2295, 5603), (3315, 3879)]