16666845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 28987392

約数和(自身を除く): 12320547

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 673, 1651, 1905, 2019, 3365, 4953, 8255, 8749, 10095, 24765, 26247, 43745, 85471, 131235, 256413, 427355, 1111123, 1282065, 3333369, 5555615, 16666845]

約数ペア:

[(1, 16666845), (3, 5555615), (5, 3333369), (13, 1282065), (15, 1111123), (39, 427355), (65, 256413), (127, 131235), (195, 85471), (381, 43745), (635, 26247), (673, 24765), (1651, 10095), (1905, 8749), (2019, 8255), (3365, 4953)]