28291653

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80603}}^1$

素因数の和:80625

約数の個数: 16

約数和(自身を含む): 45138240

約数和(自身を除く): 16846587

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80603, 241809, 725427, 1047839, 2176281, 3143517, 9430551, 28291653]

約数ペア:

[(1, 28291653), (3, 9430551), (9, 3143517), (13, 2176281), (27, 1047839), (39, 725427), (117, 241809), (351, 80603)]