388266489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{20359}}^1$

素因数の和:20541

約数の個数: 24

約数和(自身を含む): 607705280

約数和(自身を除く): 219438791

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1467, 2119, 6357, 19071, 20359, 61077, 183231, 264667, 794001, 2382003, 3318517, 9955551, 29866653, 43140721, 129422163, 388266489]

約数ペア:

[(1, 388266489), (3, 129422163), (9, 43140721), (13, 29866653), (39, 9955551), (117, 3318517), (163, 2382003), (489, 794001), (1467, 264667), (2119, 183231), (6357, 61077), (19071, 20359)]