3952557

素因数分解:

$3^4\times 7^1\times {\mathrm{6971}}^1$

素因数の和:6990

約数の個数: 20

約数和(自身を含む): 6748896

約数和(自身を除く): 2796339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6971, 20913, 48797, 62739, 146391, 188217, 439173, 564651, 1317519, 3952557]

約数ペア:

[(1, 3952557), (3, 1317519), (7, 564651), (9, 439173), (21, 188217), (27, 146391), (63, 62739), (81, 48797), (189, 20913), (567, 6971)]