25903059

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 42792960

約数和(自身を除く): 16889901

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 397, 717, 1191, 1673, 2779, 3107, 5019, 5161, 8337, 9321, 15483, 21749, 36127, 65247, 94883, 108381, 284649, 664181, 1233479, 1992543, 3700437, 8634353, 25903059]

約数ペア:

[(1, 25903059), (3, 8634353), (7, 3700437), (13, 1992543), (21, 1233479), (39, 664181), (91, 284649), (239, 108381), (273, 94883), (397, 65247), (717, 36127), (1191, 21749), (1673, 15483), (2779, 9321), (3107, 8337), (5019, 5161)]