7278903

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1316

約数の個数: 20

約数和(自身を含む): 11031328

約数和(自身を除く): 3752425

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1231, 1971, 3693, 5913, 11079, 33237, 89863, 99711, 269589, 808767, 2426301, 7278903]

約数ペア:

[(1, 7278903), (3, 2426301), (9, 808767), (27, 269589), (73, 99711), (81, 89863), (219, 33237), (657, 11079), (1231, 5913), (1971, 3693)]