28931481

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 42996096

約数和(自身を除く): 14064615

約数列:

[1, 3, 9, 53, 131, 159, 393, 463, 477, 1179, 1389, 4167, 6943, 20829, 24539, 60653, 62487, 73617, 181959, 220851, 545877, 3214609, 9643827, 28931481]

約数ペア:

[(1, 28931481), (3, 9643827), (9, 3214609), (53, 545877), (131, 220851), (159, 181959), (393, 73617), (463, 62487), (477, 60653), (1179, 24539), (1389, 20829), (4167, 6943)]