28663623

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 43370496

約数和(自身を除く): 14706873

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1447, 2201, 4341, 6603, 13023, 19809, 44857, 102737, 134571, 308211, 403713, 924633, 3184847, 9554541, 28663623]

約数ペア:

[(1, 28663623), (3, 9554541), (9, 3184847), (31, 924633), (71, 403713), (93, 308211), (213, 134571), (279, 102737), (639, 44857), (1447, 19809), (2201, 13023), (4341, 6603)]