2781519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 4052832

約数和(自身を除く): 1271313

約数列:

[1, 3, 13, 39, 73, 219, 949, 977, 2847, 2931, 12701, 38103, 71321, 213963, 927173, 2781519]

約数ペア:

[(1, 2781519), (3, 927173), (13, 213963), (39, 71321), (73, 38103), (219, 12701), (949, 2931), (977, 2847)]