81988365

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{11087}}^1$

素因数の和:11141

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 61712115

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 11087, 33261, 55435, 166305, 188479, 321523, 565437, 942395, 964569, 1607615, 2827185, 4822845, 5465891, 16397673, 27329455, 81988365]

約数ペア:

[(1, 81988365), (3, 27329455), (5, 16397673), (15, 5465891), (17, 4822845), (29, 2827185), (51, 1607615), (85, 964569), (87, 942395), (145, 565437), (255, 321523), (435, 188479), (493, 166305), (1479, 55435), (2465, 33261), (7395, 11087)]