680621319

素因数分解:

$3^3\times 7^2\times {\mathrm{514453}}^1$

素因数の和:514476

約数の個数: 24

約数和(自身を含む): 1172955120

約数和(自身を除く): 492333801

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 514453, 1543359, 3601171, 4630077, 10803513, 13890231, 25208197, 32410539, 75624591, 97231617, 226873773, 680621319]

約数ペア:

[(1, 680621319), (3, 226873773), (7, 97231617), (9, 75624591), (21, 32410539), (27, 25208197), (49, 13890231), (63, 10803513), (147, 4630077), (189, 3601171), (441, 1543359), (1323, 514453)]