3978201

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 5667840

約数和(自身を除く): 1689639

約数列:

[1, 3, 19, 57, 71, 213, 983, 1349, 2949, 4047, 18677, 56031, 69793, 209379, 1326067, 3978201]

約数ペア:

[(1, 3978201), (3, 1326067), (19, 209379), (57, 69793), (71, 56031), (213, 18677), (983, 4047), (1349, 2949)]