28122549

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 47652864

約数和(自身を除く): 19530315

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3323, 8463, 9969, 23261, 43199, 69783, 103013, 129597, 302393, 309039, 721091, 907179, 1339169, 2163273, 4017507, 9374183, 28122549]

約数ペア:

[(1, 28122549), (3, 9374183), (7, 4017507), (13, 2163273), (21, 1339169), (31, 907179), (39, 721091), (91, 309039), (93, 302393), (217, 129597), (273, 103013), (403, 69783), (651, 43199), (1209, 23261), (2821, 9969), (3323, 8463)]