2977989

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 4583040

約数和(自身を除く): 1605051

約数列:

[1, 3, 7, 21, 109, 327, 763, 1301, 2289, 3903, 9107, 27321, 141809, 425427, 992663, 2977989]

約数ペア:

[(1, 2977989), (3, 992663), (7, 425427), (21, 141809), (109, 27321), (327, 9107), (763, 3903), (1301, 2289)]