12931569

素因数分解:

$3^4\times 7^1\times {\mathrm{22807}}^1$

素因数の和:22826

約数の個数: 20

約数和(自身を含む): 22078144

約数和(自身を除く): 9146575

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22807, 68421, 159649, 205263, 478947, 615789, 1436841, 1847367, 4310523, 12931569]

約数ペア:

[(1, 12931569), (3, 4310523), (7, 1847367), (9, 1436841), (21, 615789), (27, 478947), (63, 205263), (81, 159649), (189, 68421), (567, 22807)]