13123719

素因数分解:

$3^2\times 7^2\times {\mathrm{29759}}^1$

素因数の和:29779

約数の個数: 18

約数和(自身を含む): 22052160

約数和(自身を除く): 8928441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 29759, 89277, 208313, 267831, 624939, 1458191, 1874817, 4374573, 13123719]

約数ペア:

[(1, 13123719), (3, 4374573), (7, 1874817), (9, 1458191), (21, 624939), (49, 267831), (63, 208313), (147, 89277), (441, 29759)]