12747141

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 20198880

約数和(自身を除く): 7451739

約数列:

[1, 3, 9, 11, 33, 99, 331, 389, 993, 1167, 2979, 3501, 3641, 4279, 10923, 12837, 32769, 38511, 128759, 386277, 1158831, 1416349, 4249047, 12747141]

約数ペア:

[(1, 12747141), (3, 4249047), (9, 1416349), (11, 1158831), (33, 386277), (99, 128759), (331, 38511), (389, 32769), (993, 12837), (1167, 10923), (2979, 4279), (3501, 3641)]