28937811

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37243}}^1$

素因数の和:37290

約数の個数: 16

約数和(自身を含む): 45288704

約数和(自身を除く): 16350893

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 37243, 111729, 260701, 782103, 1377991, 4133973, 9645937, 28937811]

約数ペア:

[(1, 28937811), (3, 9645937), (7, 4133973), (21, 1377991), (37, 782103), (111, 260701), (259, 111729), (777, 37243)]