2988339

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 4243200

約数和(自身を除く): 1254861

約数列:

[1, 3, 19, 57, 103, 309, 509, 1527, 1957, 5871, 9671, 29013, 52427, 157281, 996113, 2988339]

約数ペア:

[(1, 2988339), (3, 996113), (19, 157281), (57, 52427), (103, 29013), (309, 9671), (509, 5871), (1527, 1957)]