2640183

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 4569600

約数和(自身を除く): 1929417

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 509, 741, 1527, 1729, 3563, 5187, 6617, 9671, 10689, 19851, 29013, 46319, 67697, 125723, 138957, 203091, 377169, 880061, 2640183]

約数ペア:

[(1, 2640183), (3, 880061), (7, 377169), (13, 203091), (19, 138957), (21, 125723), (39, 67697), (57, 46319), (91, 29013), (133, 19851), (247, 10689), (273, 9671), (399, 6617), (509, 5187), (741, 3563), (1527, 1729)]