51261819

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 80510976

約数和(自身を除く): 29249157

約数列:

[1, 3, 7, 21, 47, 141, 167, 311, 329, 501, 933, 987, 1169, 2177, 3507, 6531, 7849, 14617, 23547, 43851, 51937, 54943, 102319, 155811, 164829, 306957, 363559, 1090677, 2441039, 7323117, 17087273, 51261819]

約数ペア:

[(1, 51261819), (3, 17087273), (7, 7323117), (21, 2441039), (47, 1090677), (141, 363559), (167, 306957), (311, 164829), (329, 155811), (501, 102319), (933, 54943), (987, 51937), (1169, 43851), (2177, 23547), (3507, 14617), (6531, 7849)]