87271389

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{26861}}^1$

素因数の和:26905

約数の個数: 18

約数和(自身を含む): 133047486

約数和(自身を除く): 45776097

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 26861, 80583, 241749, 510359, 1531077, 4593231, 9696821, 29090463, 87271389]

約数ペア:

[(1, 87271389), (3, 29090463), (9, 9696821), (19, 4593231), (57, 1531077), (171, 510359), (361, 241749), (1083, 80583), (3249, 26861)]