1277695971

素因数分解:

$3^3\times {\mathrm{2963}}^1\times {\mathrm{15971}}^1$

素因数の和:18943

約数の個数: 16

約数和(自身を含む): 1893640320

約数和(自身を除く): 615944349

約数列:

[1, 3, 9, 27, 2963, 8889, 15971, 26667, 47913, 80001, 143739, 431217, 47322073, 141966219, 425898657, 1277695971]

約数ペア:

[(1, 1277695971), (3, 425898657), (9, 141966219), (27, 47322073), (2963, 431217), (8889, 143739), (15971, 80001), (26667, 47913)]