28301787

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1907}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 43754256

約数和(自身を除く): 15452469

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 1907, 4947, 5721, 14841, 17163, 32419, 97257, 184979, 291771, 554937, 1664811, 3144643, 9433929, 28301787]

約数ペア:

[(1, 28301787), (3, 9433929), (9, 3144643), (17, 1664811), (51, 554937), (97, 291771), (153, 184979), (291, 97257), (873, 32419), (1649, 17163), (1907, 14841), (4947, 5721)]