2544423

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 4158720

約数和(自身を除く): 1614297

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 911, 931, 2733, 2793, 6377, 17309, 19131, 44639, 51927, 121163, 133917, 363489, 848141, 2544423]

約数ペア:

[(1, 2544423), (3, 848141), (7, 363489), (19, 133917), (21, 121163), (49, 51927), (57, 44639), (133, 19131), (147, 17309), (399, 6377), (911, 2793), (931, 2733)]