291350277

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{17047}}^1$

素因数の和:17270

約数の個数: 20

約数和(自身を含む): 437315296

約数和(自身を除く): 145965019

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 17047, 17091, 51141, 153423, 460269, 1380807, 3596917, 10790751, 32372253, 97116759, 291350277]

約数ペア:

[(1, 291350277), (3, 97116759), (9, 32372253), (27, 10790751), (81, 3596917), (211, 1380807), (633, 460269), (1899, 153423), (5697, 51141), (17047, 17091)]