13872159

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7147

約数の個数: 24

約数和(自身を含む): 23642112

約数和(自身を除く): 9769953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 7103, 21309, 49721, 63927, 149163, 220193, 447489, 660579, 1541351, 1981737, 4624053, 13872159]

約数ペア:

[(1, 13872159), (3, 4624053), (7, 1981737), (9, 1541351), (21, 660579), (31, 447489), (63, 220193), (93, 149163), (217, 63927), (279, 49721), (651, 21309), (1953, 7103)]