1821984867

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{104947}}^1$

素因数の和:105599

約数の個数: 16

約数和(自身を含む): 2703460480

約数和(自身を除く): 881475613

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 17361, 104947, 314841, 944523, 2833569, 67480921, 202442763, 607328289, 1821984867]

約数ペア:

[(1, 1821984867), (3, 607328289), (9, 202442763), (27, 67480921), (643, 2833569), (1929, 944523), (5787, 314841), (17361, 104947)]