2779343

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 3380736

約数和(自身を除く): 601393

約数列:

[1, 7, 23, 61, 161, 283, 427, 1403, 1981, 6509, 9821, 17263, 45563, 120841, 397049, 2779343]

約数ペア:

[(1, 2779343), (7, 397049), (23, 120841), (61, 45563), (161, 17263), (283, 9821), (427, 6509), (1403, 1981)]