97128639

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{16889}}^1$

素因数の和:16972

約数の個数: 20

約数和(自身を含む): 147145680

約数和(自身を除く): 50017041

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 16889, 50667, 152001, 456003, 1199119, 1368009, 3597357, 10792071, 32376213, 97128639]

約数ペア:

[(1, 97128639), (3, 32376213), (9, 10792071), (27, 3597357), (71, 1368009), (81, 1199119), (213, 456003), (639, 152001), (1917, 50667), (5751, 16889)]