27971455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 34977024

約数和(自身を除く): 7005569

約数列:

[1, 5, 31, 113, 155, 565, 1597, 3503, 7985, 17515, 49507, 180461, 247535, 902305, 5594291, 27971455]

約数ペア:

[(1, 27971455), (5, 5594291), (31, 902305), (113, 247535), (155, 180461), (565, 49507), (1597, 17515), (3503, 7985)]