81498249

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5801}}^1$

素因数の和:6037

約数の個数: 24

約数和(自身を含む): 135163392

約数和(自身を除く): 53665143

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 5801, 14049, 17403, 40607, 52209, 121821, 365463, 1293623, 3880869, 9055361, 11642607, 27166083, 81498249]

約数ペア:

[(1, 81498249), (3, 27166083), (7, 11642607), (9, 9055361), (21, 3880869), (63, 1293623), (223, 365463), (669, 121821), (1561, 52209), (2007, 40607), (4683, 17403), (5801, 14049)]