27720791

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 33519360

約数和(自身を除く): 5798569

約数列:

[1, 7, 19, 133, 257, 811, 1799, 4883, 5677, 15409, 34181, 107863, 208427, 1458989, 3960113, 27720791]

約数ペア:

[(1, 27720791), (7, 3960113), (19, 1458989), (133, 208427), (257, 107863), (811, 34181), (1799, 15409), (4883, 5677)]