28540107

素因数分解:

$3^5\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 43011696

約数和(自身を除く): 14471589

約数列:

[1, 3, 9, 27, 81, 243, 257, 457, 771, 1371, 2313, 4113, 6939, 12339, 20817, 37017, 62451, 111051, 117449, 352347, 1057041, 3171123, 9513369, 28540107]

約数ペア:

[(1, 28540107), (3, 9513369), (9, 3171123), (27, 1057041), (81, 352347), (243, 117449), (257, 111051), (457, 62451), (771, 37017), (1371, 20817), (2313, 12339), (4113, 6939)]