81183885

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2569

約数の個数: 32

約数和(自身を含む): 136028160

約数和(自身を除く): 54844275

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 2201, 2459, 6603, 7377, 11005, 12295, 33015, 36885, 76229, 174589, 228687, 381145, 523767, 872945, 1143435, 2618835, 5412259, 16236777, 27061295, 81183885]

約数ペア:

[(1, 81183885), (3, 27061295), (5, 16236777), (15, 5412259), (31, 2618835), (71, 1143435), (93, 872945), (155, 523767), (213, 381145), (355, 228687), (465, 174589), (1065, 76229), (2201, 36885), (2459, 33015), (6603, 12295), (7377, 11005)]