80988867

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 124540416

約数和(自身を除く): 43551549

約数列:

[1, 3, 9, 17, 51, 153, 197, 591, 1773, 2687, 3349, 8061, 10047, 24183, 30141, 45679, 137037, 411111, 529339, 1588017, 4764051, 8998763, 26996289, 80988867]

約数ペア:

[(1, 80988867), (3, 26996289), (9, 8998763), (17, 4764051), (51, 1588017), (153, 529339), (197, 411111), (591, 137037), (1773, 45679), (2687, 30141), (3349, 24183), (8061, 10047)]