11721879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5273}}^1$

素因数の和:5311

約数の個数: 24

約数和(自身を含む): 19197360

約数和(自身を除く): 7475481

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 5273, 15819, 47457, 68549, 100187, 205647, 300561, 616941, 901683, 1302431, 3907293, 11721879]

約数ペア:

[(1, 11721879), (3, 3907293), (9, 1302431), (13, 901683), (19, 616941), (39, 300561), (57, 205647), (117, 100187), (171, 68549), (247, 47457), (741, 15819), (2223, 5273)]