2091390903

素因数分解:

$3^2\times 7^2\times {\mathrm{4742383}}^1$

素因数の和:4742403

約数の個数: 18

約数和(自身を含む): 3514106544

約数和(自身を除く): 1422715641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4742383, 14227149, 33196681, 42681447, 99590043, 232376767, 298770129, 697130301, 2091390903]

約数ペア:

[(1, 2091390903), (3, 697130301), (7, 298770129), (9, 232376767), (21, 99590043), (49, 42681447), (63, 33196681), (147, 14227149), (441, 4742383)]