13128129

素因数分解:

$3^3\times 7^2\times {\mathrm{9923}}^1$

素因数の和:9946

約数の個数: 24

約数和(自身を含む): 22626720

約数和(自身を除く): 9498591

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 9923, 29769, 69461, 89307, 208383, 267921, 486227, 625149, 1458681, 1875447, 4376043, 13128129]

約数ペア:

[(1, 13128129), (3, 4376043), (7, 1875447), (9, 1458681), (21, 625149), (27, 486227), (49, 267921), (63, 208383), (147, 89307), (189, 69461), (441, 29769), (1323, 9923)]