128432871

素因数分解:

$3^4\times 7^2\times {\mathrm{32359}}^1$

素因数の和:32385

約数の個数: 30

約数和(自身を含む): 223186920

約数和(自身を除く): 94754049

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 32359, 97077, 226513, 291231, 679539, 873693, 1585591, 2038617, 2621079, 4756773, 6115851, 14270319, 18347553, 42810957, 128432871]

約数ペア:

[(1, 128432871), (3, 42810957), (7, 18347553), (9, 14270319), (21, 6115851), (27, 4756773), (49, 2621079), (63, 2038617), (81, 1585591), (147, 873693), (189, 679539), (441, 291231), (567, 226513), (1323, 97077), (3969, 32359)]