15980979

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3943}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 24484352

約数和(自身を除く): 8503373

約数列:

[1, 3, 7, 21, 193, 579, 1351, 3943, 4053, 11829, 27601, 82803, 760999, 2282997, 5326993, 15980979]

約数ペア:

[(1, 15980979), (3, 5326993), (7, 2282997), (21, 760999), (193, 82803), (579, 27601), (1351, 11829), (3943, 4053)]