49919895

素因数分解:

$3^4\times 5^1\times {\mathrm{123259}}^1$

素因数の和:123276

約数の個数: 20

約数和(自身を含む): 89486760

約数和(自身を除く): 39566865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 123259, 369777, 616295, 1109331, 1848885, 3327993, 5546655, 9983979, 16639965, 49919895]

約数ペア:

[(1, 49919895), (3, 16639965), (5, 9983979), (9, 5546655), (15, 3327993), (27, 1848885), (45, 1109331), (81, 616295), (135, 369777), (405, 123259)]