291253239

素因数分解:

$3^5\times {\mathrm{719}}^1\times {\mathrm{1667}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 437149440

約数和(自身を除く): 145896201

約数列:

[1, 3, 9, 27, 81, 243, 719, 1667, 2157, 5001, 6471, 15003, 19413, 45009, 58239, 135027, 174717, 405081, 1198573, 3595719, 10787157, 32361471, 97084413, 291253239]

約数ペア:

[(1, 291253239), (3, 97084413), (9, 32361471), (27, 10787157), (81, 3595719), (243, 1198573), (719, 405081), (1667, 174717), (2157, 135027), (5001, 58239), (6471, 45009), (15003, 19413)]