49897215

素因数分解:

$3^4\times 5^1\times {\mathrm{123203}}^1$

素因数の和:123220

約数の個数: 20

約数和(自身を含む): 89446104

約数和(自身を除く): 39548889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 123203, 369609, 616015, 1108827, 1848045, 3326481, 5544135, 9979443, 16632405, 49897215]

約数ペア:

[(1, 49897215), (3, 16632405), (5, 9979443), (9, 5544135), (15, 3326481), (27, 1848045), (45, 1108827), (81, 616015), (135, 369609), (405, 123203)]