287206209

素因数分解:

$3^3\times {\mathrm{1181}}^1\times {\mathrm{9007}}^1$

素因数の和:10197

約数の個数: 16

約数和(自身を含む): 425898240

約数和(自身を除く): 138692031

約数列:

[1, 3, 9, 27, 1181, 3543, 9007, 10629, 27021, 31887, 81063, 243189, 10637267, 31911801, 95735403, 287206209]

約数ペア:

[(1, 287206209), (3, 95735403), (9, 31911801), (27, 10637267), (1181, 243189), (3543, 81063), (9007, 31887), (10629, 27021)]