81273605

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{14423}}^1$

素因数の和:14465

約数の個数: 24

約数和(自身を含む): 118392192

約数和(自身を除く): 37118587

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 14423, 72115, 100961, 331729, 504805, 706727, 1658645, 2322103, 3533635, 11610515, 16254721, 81273605]

約数ペア:

[(1, 81273605), (5, 16254721), (7, 11610515), (23, 3533635), (35, 2322103), (49, 1658645), (115, 706727), (161, 504805), (245, 331729), (805, 100961), (1127, 72115), (5635, 14423)]