2155821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 3120768

約数和(自身を除く): 964947

約数列:

[1, 3, 17, 41, 51, 123, 697, 1031, 2091, 3093, 17527, 42271, 52581, 126813, 718607, 2155821]

約数ペア:

[(1, 2155821), (3, 718607), (17, 126813), (41, 52581), (51, 42271), (123, 17527), (697, 3093), (1031, 2091)]