87497991

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{32299}}^1$

素因数の和:32355

約数の個数: 24

約数和(自身を含む): 147804800

約数和(自身を除く): 60306809

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 32299, 96897, 226093, 290691, 678279, 1388857, 2034837, 4166571, 9721999, 12499713, 29165997, 87497991]

約数ペア:

[(1, 87497991), (3, 29165997), (7, 12499713), (9, 9721999), (21, 4166571), (43, 2034837), (63, 1388857), (129, 678279), (301, 290691), (387, 226093), (903, 96897), (2709, 32299)]