81337335

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{829}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 135137280

約数和(自身を除く): 53799945

約数列:

[1, 3, 5, 15, 31, 93, 155, 211, 465, 633, 829, 1055, 2487, 3165, 4145, 6541, 12435, 19623, 25699, 32705, 77097, 98115, 128495, 174919, 385485, 524757, 874595, 2623785, 5422489, 16267467, 27112445, 81337335]

約数ペア:

[(1, 81337335), (3, 27112445), (5, 16267467), (15, 5422489), (31, 2623785), (93, 874595), (155, 524757), (211, 385485), (465, 174919), (633, 128495), (829, 98115), (1055, 77097), (2487, 32705), (3165, 25699), (4145, 19623), (6541, 12435)]