2788263

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1228

約数の個数: 20

約数和(自身を含む): 4312440

約数和(自身を除く): 1524177

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 1187, 2349, 3561, 10683, 32049, 34423, 96147, 103269, 309807, 929421, 2788263]

約数ペア:

[(1, 2788263), (3, 929421), (9, 309807), (27, 103269), (29, 96147), (81, 34423), (87, 32049), (261, 10683), (783, 3561), (1187, 2349)]