128697013053

素因数分解:

$3^4\times 7^1\times {\mathrm{226978859}}^1$

素因数の和:226978878

約数の個数: 20

約数和(自身を含む): 219715536480

約数和(自身を除く): 91018523427

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 226978859, 680936577, 1588852013, 2042809731, 4766556039, 6128429193, 14299668117, 18385287579, 42899004351, 128697013053]

約数ペア:

[(1, 128697013053), (3, 42899004351), (7, 18385287579), (9, 14299668117), (21, 6128429193), (27, 4766556039), (63, 2042809731), (81, 1588852013), (189, 680936577), (567, 226978859)]