28297731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122501}}^1$

素因数の和:122522

約数の個数: 16

約数和(自身を含む): 47040768

約数和(自身を除く): 18743037

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122501, 367503, 857507, 1347511, 2572521, 4042533, 9432577, 28297731]

約数ペア:

[(1, 28297731), (3, 9432577), (7, 4042533), (11, 2572521), (21, 1347511), (33, 857507), (77, 367503), (231, 122501)]