3907521

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2570

約数の個数: 20

約数和(自身を含む): 6146800

約数和(自身を除く): 2239279

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2539, 7617, 22851, 48241, 68553, 144723, 205659, 434169, 1302507, 3907521]

約数ペア:

[(1, 3907521), (3, 1302507), (9, 434169), (19, 205659), (27, 144723), (57, 68553), (81, 48241), (171, 22851), (513, 7617), (1539, 2539)]