3137985

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 5489640

約数和(自身を除く): 2351655

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 509, 685, 1233, 1527, 2055, 2545, 4581, 6165, 7635, 22905, 69733, 209199, 348665, 627597, 1045995, 3137985]

約数ペア:

[(1, 3137985), (3, 1045995), (5, 627597), (9, 348665), (15, 209199), (45, 69733), (137, 22905), (411, 7635), (509, 6165), (685, 4581), (1233, 2545), (1527, 2055)]