64942137

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{42697}}^1$

素因数の和:42729

約数の個数: 18

約数和(自身を含む): 101578542

約数和(自身を除く): 36636405

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 42697, 128091, 384273, 555061, 1665183, 4995549, 7215793, 21647379, 64942137]

約数ペア:

[(1, 64942137), (3, 21647379), (9, 7215793), (13, 4995549), (39, 1665183), (117, 555061), (169, 384273), (507, 128091), (1521, 42697)]