161815077

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{105143}}^1$

素因数の和:105174

約数の個数: 20

約数和(自身を含む): 254448480

約数和(自身を除く): 92633403

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 105143, 315429, 946287, 1997717, 2838861, 5993151, 8516583, 17979453, 53938359, 161815077]

約数ペア:

[(1, 161815077), (3, 53938359), (9, 17979453), (19, 8516583), (27, 5993151), (57, 2838861), (81, 1997717), (171, 946287), (513, 315429), (1539, 105143)]