40920219

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{2459}}^1$

素因数の和:2551

約数の個数: 18

約数和(自身を含む): 60538140

約数和(自身を除く): 19617921

約数列:

[1, 3, 9, 43, 129, 387, 1849, 2459, 5547, 7377, 16641, 22131, 105737, 317211, 951633, 4546691, 13640073, 40920219]

約数ペア:

[(1, 40920219), (3, 13640073), (9, 4546691), (43, 951633), (129, 317211), (387, 105737), (1849, 22131), (2459, 16641), (5547, 7377)]