2178982323

素因数分解:

$3^3\times 7^2\times {\mathrm{1647001}}^1$

素因数の和:1647024

約数の個数: 24

約数和(自身を含む): 3755164560

約数和(自身を除く): 1576182237

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1647001, 4941003, 11529007, 14823009, 34587021, 44469027, 80703049, 103761063, 242109147, 311283189, 726327441, 2178982323]

約数ペア:

[(1, 2178982323), (3, 726327441), (7, 311283189), (9, 242109147), (21, 103761063), (27, 80703049), (49, 44469027), (63, 34587021), (147, 14823009), (189, 11529007), (441, 4941003), (1323, 1647001)]