2506257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 4030208

約数和(自身を除く): 1523951

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 691, 1209, 2073, 3627, 6219, 8983, 21421, 26949, 64263, 80847, 192789, 278473, 835419, 2506257]

約数ペア:

[(1, 2506257), (3, 835419), (9, 278473), (13, 192789), (31, 80847), (39, 64263), (93, 26949), (117, 21421), (279, 8983), (403, 6219), (691, 3627), (1209, 2073)]