2178892521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{6207671}}^1$

素因数の和:6207693

約数の個数: 16

約数和(自身を含む): 3476296320

約数和(自身を除く): 1297403799

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 6207671, 18623013, 55869039, 80699723, 167607117, 242099169, 726297507, 2178892521]

約数ペア:

[(1, 2178892521), (3, 726297507), (9, 242099169), (13, 167607117), (27, 80699723), (39, 55869039), (117, 18623013), (351, 6207671)]