27721029

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{35677}}^1$

素因数の和:35724

約数の個数: 16

約数和(自身を含む): 43384448

約数和(自身を除く): 15663419

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 35677, 107031, 249739, 749217, 1320049, 3960147, 9240343, 27721029]

約数ペア:

[(1, 27721029), (3, 9240343), (7, 3960147), (21, 1320049), (37, 749217), (111, 249739), (259, 107031), (777, 35677)]