138942945

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6473}}^1$

素因数の和:6543

約数の個数: 40

約数和(自身を含む): 253806696

約数和(自身を除く): 114863751

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 4293, 6473, 7155, 19419, 21465, 32365, 58257, 97095, 174771, 291285, 343069, 524313, 873855, 1029207, 1715345, 2621565, 3087621, 5146035, 9262863, 15438105, 27788589, 46314315, 138942945]

約数ペア:

[(1, 138942945), (3, 46314315), (5, 27788589), (9, 15438105), (15, 9262863), (27, 5146035), (45, 3087621), (53, 2621565), (81, 1715345), (135, 1029207), (159, 873855), (265, 524313), (405, 343069), (477, 291285), (795, 174771), (1431, 97095), (2385, 58257), (4293, 32365), (6473, 21465), (7155, 19419)]