2451519

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 4514400

約数和(自身を除く): 2062881

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 109, 119, 147, 153, 189, 327, 357, 441, 459, 763, 833, 981, 1071, 1323, 1853, 2289, 2499, 2943, 3213, 5341, 5559, 6867, 7497, 12971, 16023, 16677, 20601, 22491, 38913, 48069, 50031, 90797, 116739, 144207, 272391, 350217, 817173, 2451519]

約数ペア:

[(1, 2451519), (3, 817173), (7, 350217), (9, 272391), (17, 144207), (21, 116739), (27, 90797), (49, 50031), (51, 48069), (63, 38913), (109, 22491), (119, 20601), (147, 16677), (153, 16023), (189, 12971), (327, 7497), (357, 6867), (441, 5559), (459, 5341), (763, 3213), (833, 2943), (981, 2499), (1071, 2289), (1323, 1853)]