26182779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 42332160

約数和(自身を除く): 16149381

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 311, 399, 633, 933, 1477, 2177, 4009, 4431, 5909, 6531, 12027, 17727, 28063, 41363, 65621, 84189, 124089, 196863, 459347, 1246799, 1378041, 3740397, 8727593, 26182779]

約数ペア:

[(1, 26182779), (3, 8727593), (7, 3740397), (19, 1378041), (21, 1246799), (57, 459347), (133, 196863), (211, 124089), (311, 84189), (399, 65621), (633, 41363), (933, 28063), (1477, 17727), (2177, 12027), (4009, 6531), (4431, 5909)]