49968495

素因数分解:

$3^4\times 5^1\times {\mathrm{123379}}^1$

素因数の和:123396

約数の個数: 20

約数和(自身を含む): 89573880

約数和(自身を除く): 39605385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 123379, 370137, 616895, 1110411, 1850685, 3331233, 5552055, 9993699, 16656165, 49968495]

約数ペア:

[(1, 49968495), (3, 16656165), (5, 9993699), (9, 5552055), (15, 3331233), (27, 1850685), (45, 1110411), (81, 616895), (135, 370137), (405, 123379)]