27691755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20287}}^1$

素因数の和:20315

約数の個数: 32

約数和(自身を含む): 54534144

約数和(自身を除く): 26842389

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20287, 60861, 101435, 142009, 263731, 304305, 426027, 710045, 791193, 1318655, 1846117, 2130135, 3955965, 5538351, 9230585, 27691755]

約数ペア:

[(1, 27691755), (3, 9230585), (5, 5538351), (7, 3955965), (13, 2130135), (15, 1846117), (21, 1318655), (35, 791193), (39, 710045), (65, 426027), (91, 304305), (105, 263731), (195, 142009), (273, 101435), (455, 60861), (1365, 20287)]