13997991

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2789}}^1$

素因数の和:3038

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 7429209

約数列:

[1, 3, 7, 21, 239, 717, 1673, 2789, 5019, 8367, 19523, 58569, 666571, 1999713, 4665997, 13997991]

約数ペア:

[(1, 13997991), (3, 4665997), (7, 1999713), (21, 666571), (239, 58569), (717, 19523), (1673, 8367), (2789, 5019)]