85781115

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{38903}}^1$

素因数の和:38928

約数の個数: 36

約数和(自身を含む): 172967184

約数和(自身を除く): 87186069

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 38903, 116709, 194515, 272321, 350127, 583545, 816963, 1361605, 1750635, 1906247, 2450889, 4084815, 5718741, 9531235, 12254445, 17156223, 28593705, 85781115]

約数ペア:

[(1, 85781115), (3, 28593705), (5, 17156223), (7, 12254445), (9, 9531235), (15, 5718741), (21, 4084815), (35, 2450889), (45, 1906247), (49, 1750635), (63, 1361605), (105, 816963), (147, 583545), (245, 350127), (315, 272321), (441, 194515), (735, 116709), (2205, 38903)]