81427969

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4507}}^1$

素因数の和:4632

約数の個数: 16

約数和(自身を含む): 97372800

約数和(自身を除く): 15944831

約数列:

[1, 7, 29, 89, 203, 623, 2581, 4507, 18067, 31549, 130703, 401123, 914921, 2807861, 11632567, 81427969]

約数ペア:

[(1, 81427969), (7, 11632567), (29, 2807861), (89, 914921), (203, 401123), (623, 130703), (2581, 31549), (4507, 18067)]