81359739

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1367}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 124843680

約数和(自身を除く): 43483941

約数列:

[1, 3, 9, 17, 51, 153, 389, 1167, 1367, 3501, 4101, 6613, 12303, 19839, 23239, 59517, 69717, 209151, 531763, 1595289, 4785867, 9039971, 27119913, 81359739]

約数ペア:

[(1, 81359739), (3, 27119913), (9, 9039971), (17, 4785867), (51, 1595289), (153, 531763), (389, 209151), (1167, 69717), (1367, 59517), (3501, 23239), (4101, 19839), (6613, 12303)]