39901239

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:716

約数の個数: 36

約数和(自身を含む): 67561416

約数和(自身を除く): 27660177

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 523, 1211, 1557, 1569, 3633, 3661, 4707, 8477, 10899, 10983, 25431, 25627, 32949, 76293, 76881, 90479, 230643, 271437, 633353, 814311, 1900059, 4433471, 5700177, 13300413, 39901239]

約数ペア:

[(1, 39901239), (3, 13300413), (7, 5700177), (9, 4433471), (21, 1900059), (49, 814311), (63, 633353), (147, 271437), (173, 230643), (441, 90479), (519, 76881), (523, 76293), (1211, 32949), (1557, 25627), (1569, 25431), (3633, 10983), (3661, 10899), (4707, 8477)]