2120001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 3205440

約数和(自身を除く): 1085439

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 2861, 8583, 37193, 54359, 111579, 163077, 706667, 2120001]

約数ペア:

[(1, 2120001), (3, 706667), (13, 163077), (19, 111579), (39, 54359), (57, 37193), (247, 8583), (741, 2861)]