12721797

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7559}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 21228480

約数和(自身を除く): 8506683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 7559, 22677, 68031, 83149, 128503, 249447, 385509, 748341, 1156527, 1413533, 4240599, 12721797]

約数ペア:

[(1, 12721797), (3, 4240599), (9, 1413533), (11, 1156527), (17, 748341), (33, 385509), (51, 249447), (99, 128503), (153, 83149), (187, 68031), (561, 22677), (1683, 7559)]