1971963

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 3295968

約数和(自身を除く): 1324005

約数列:

[1, 3, 7, 9, 21, 63, 113, 277, 339, 791, 831, 1017, 1939, 2373, 2493, 5817, 7119, 17451, 31301, 93903, 219107, 281709, 657321, 1971963]

約数ペア:

[(1, 1971963), (3, 657321), (7, 281709), (9, 219107), (21, 93903), (63, 31301), (113, 17451), (277, 7119), (339, 5817), (791, 2493), (831, 2373), (1017, 1939)]