289382913

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 424578336

約数和(自身を除く): 135195423

約数列:

[1, 3, 9, 97, 211, 291, 633, 873, 1571, 1899, 4713, 14139, 20467, 61401, 152387, 184203, 331481, 457161, 994443, 1371483, 2983329, 32153657, 96460971, 289382913]

約数ペア:

[(1, 289382913), (3, 96460971), (9, 32153657), (97, 2983329), (211, 1371483), (291, 994443), (633, 457161), (873, 331481), (1571, 184203), (1899, 152387), (4713, 61401), (14139, 20467)]