207456957

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{13001}}^1$

素因数の和:13210

約数の個数: 20

約数和(自身を含む): 311501916

約数和(自身を除く): 104044959

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 13001, 15957, 39003, 117009, 351027, 1053081, 2561197, 7683591, 23050773, 69152319, 207456957]

約数ペア:

[(1, 207456957), (3, 69152319), (9, 23050773), (27, 7683591), (81, 2561197), (197, 1053081), (591, 351027), (1773, 117009), (5319, 39003), (13001, 15957)]