28681845

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{51679}}^1$

素因数の和:51724

約数の個数: 16

約数和(自身を含む): 47132160

約数和(自身を除く): 18450315

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 51679, 155037, 258395, 775185, 1912123, 5736369, 9560615, 28681845]

約数ペア:

[(1, 28681845), (3, 9560615), (5, 5736369), (15, 1912123), (37, 775185), (111, 258395), (185, 155037), (555, 51679)]