262221759

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{53657}}^1$

素因数の和:53847

約数の個数: 16

約数和(自身を含む): 390630240

約数和(自身を除く): 128408481

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 53657, 160971, 482913, 1448739, 9711917, 29135751, 87407253, 262221759]

約数ペア:

[(1, 262221759), (3, 87407253), (9, 29135751), (27, 9711917), (181, 1448739), (543, 482913), (1629, 160971), (4887, 53657)]