138858615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{440821}}^1$

素因数の和:440839

約数の個数: 24

約数和(自身を含む): 275072928

約数和(自身を除く): 136214313

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 440821, 1322463, 2204105, 3085747, 3967389, 6612315, 9257241, 15428735, 19836945, 27771723, 46286205, 138858615]

約数ペア:

[(1, 138858615), (3, 46286205), (5, 27771723), (7, 19836945), (9, 15428735), (15, 9257241), (21, 6612315), (35, 3967389), (45, 3085747), (63, 2204105), (105, 1322463), (315, 440821)]