199912563

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{23357}}^1$

素因数の和:23683

約数の個数: 16

約数和(自身を含む): 297113760

約数和(自身を除く): 97201197

約数列:

[1, 3, 9, 27, 317, 951, 2853, 8559, 23357, 70071, 210213, 630639, 7404169, 22212507, 66637521, 199912563]

約数ペア:

[(1, 199912563), (3, 66637521), (9, 22212507), (27, 7404169), (317, 630639), (951, 210213), (2853, 70071), (8559, 23357)]