16741491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 25132800

約数和(自身を除く): 8391309

約数列:

[1, 3, 13, 39, 43, 67, 129, 149, 201, 447, 559, 871, 1677, 1937, 2613, 2881, 5811, 6407, 8643, 9983, 19221, 29949, 37453, 83291, 112359, 129779, 249873, 389337, 429269, 1287807, 5580497, 16741491]

約数ペア:

[(1, 16741491), (3, 5580497), (13, 1287807), (39, 429269), (43, 389337), (67, 249873), (129, 129779), (149, 112359), (201, 83291), (447, 37453), (559, 29949), (871, 19221), (1677, 9983), (1937, 8643), (2613, 6407), (2881, 5811)]