20940903

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 11499417

約数列:

[1, 3, 9, 27, 31, 93, 127, 197, 279, 381, 591, 837, 1143, 1773, 3429, 3937, 5319, 6107, 11811, 18321, 25019, 35433, 54963, 75057, 106299, 164889, 225171, 675513, 775589, 2326767, 6980301, 20940903]

約数ペア:

[(1, 20940903), (3, 6980301), (9, 2326767), (27, 775589), (31, 675513), (93, 225171), (127, 164889), (197, 106299), (279, 75057), (381, 54963), (591, 35433), (837, 25019), (1143, 18321), (1773, 11811), (3429, 6107), (3937, 5319)]