121987411

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{14731}}^1$

素因数の和:14771

約数の個数: 18

約数和(自身を含む): 153669492

約数和(自身を除く): 31682081

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 14731, 103117, 191503, 721819, 1340521, 2489539, 9383647, 17426773, 121987411]

約数ペア:

[(1, 121987411), (7, 17426773), (13, 9383647), (49, 2489539), (91, 1340521), (169, 721819), (637, 191503), (1183, 103117), (8281, 14731)]