87996999

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 124766832

約数和(自身を除く): 36769833

約数列:

[1, 3, 19, 57, 193, 361, 421, 579, 1083, 1263, 3667, 7999, 11001, 23997, 69673, 81253, 151981, 209019, 243759, 455943, 1543807, 4631421, 29332333, 87996999]

約数ペア:

[(1, 87996999), (3, 29332333), (19, 4631421), (57, 1543807), (193, 455943), (361, 243759), (421, 209019), (579, 151981), (1083, 81253), (1263, 69673), (3667, 23997), (7999, 11001)]