257703381

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{1693}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 401417016

約数和(自身を除く): 143713635

約数列:

[1, 3, 9, 13, 39, 117, 1301, 1693, 3903, 5079, 11709, 15237, 16913, 22009, 50739, 66027, 152217, 198081, 2202593, 6607779, 19823337, 28633709, 85901127, 257703381]

約数ペア:

[(1, 257703381), (3, 85901127), (9, 28633709), (13, 19823337), (39, 6607779), (117, 2202593), (1301, 198081), (1693, 152217), (3903, 66027), (5079, 50739), (11709, 22009), (15237, 16913)]