28978929

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1201}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 48003072

約数和(自身を除く): 19024143

約数列:

[1, 3, 7, 9, 21, 63, 383, 1149, 1201, 2681, 3447, 3603, 8043, 8407, 10809, 24129, 25221, 75663, 459983, 1379949, 3219881, 4139847, 9659643, 28978929]

約数ペア:

[(1, 28978929), (3, 9659643), (7, 4139847), (9, 3219881), (21, 1379949), (63, 459983), (383, 75663), (1149, 25221), (1201, 24129), (2681, 10809), (3447, 8407), (3603, 8043)]