51638085

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7309}}^1$

素因数の和:7477

約数の個数: 24

約数和(自身を含む): 90088440

約数和(自身を除く): 38450355

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 7309, 21927, 36545, 65781, 109635, 328905, 1147513, 3442539, 5737565, 10327617, 17212695, 51638085]

約数ペア:

[(1, 51638085), (3, 17212695), (5, 10327617), (9, 5737565), (15, 3442539), (45, 1147513), (157, 328905), (471, 109635), (785, 65781), (1413, 36545), (2355, 21927), (7065, 7309)]