28638819

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 46606080

約数和(自身を除く): 17967261

約数列:

[1, 3, 9, 11, 27, 33, 99, 211, 297, 457, 633, 1371, 1899, 2321, 4113, 5027, 5697, 6963, 12339, 15081, 20889, 45243, 62667, 96427, 135729, 289281, 867843, 1060697, 2603529, 3182091, 9546273, 28638819]

約数ペア:

[(1, 28638819), (3, 9546273), (9, 3182091), (11, 2603529), (27, 1060697), (33, 867843), (99, 289281), (211, 135729), (297, 96427), (457, 62667), (633, 45243), (1371, 20889), (1899, 15081), (2321, 12339), (4113, 6963), (5027, 5697)]