81816597

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{809}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 125475480

約数和(自身を除く): 43658883

約数列:

[1, 3, 9, 17, 51, 153, 661, 809, 1983, 2427, 5949, 7281, 11237, 13753, 33711, 41259, 101133, 123777, 534749, 1604247, 4812741, 9090733, 27272199, 81816597]

約数ペア:

[(1, 81816597), (3, 27272199), (9, 9090733), (17, 4812741), (51, 1604247), (153, 534749), (661, 123777), (809, 101133), (1983, 41259), (2427, 33711), (5949, 13753), (7281, 11237)]