2147409

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 3432000

約数和(自身を除く): 1284591

約数列:

[1, 3, 9, 11, 33, 99, 109, 199, 327, 597, 981, 1199, 1791, 2189, 3597, 6567, 10791, 19701, 21691, 65073, 195219, 238601, 715803, 2147409]

約数ペア:

[(1, 2147409), (3, 715803), (9, 238601), (11, 195219), (33, 65073), (99, 21691), (109, 19701), (199, 10791), (327, 6567), (597, 3597), (981, 2189), (1199, 1791)]