11391921

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{8273}}^1$

素因数の和:8302

約数の個数: 20

約数和(自身を含む): 18020772

約数和(自身を除く): 6628851

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 8273, 24819, 74457, 140641, 223371, 421923, 670113, 1265769, 3797307, 11391921]

約数ペア:

[(1, 11391921), (3, 3797307), (9, 1265769), (17, 670113), (27, 421923), (51, 223371), (81, 140641), (153, 74457), (459, 24819), (1377, 8273)]