155565117

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{26309}}^1$

素因数の和:26394

約数の個数: 20

約数和(自身を含む): 235579740

約数和(自身を除く): 80014623

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 26309, 78927, 236781, 710343, 1920557, 2131029, 5761671, 17285013, 51855039, 155565117]

約数ペア:

[(1, 155565117), (3, 51855039), (9, 17285013), (27, 5761671), (73, 2131029), (81, 1920557), (219, 710343), (657, 236781), (1971, 78927), (5913, 26309)]