8988903

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 17606160

約数和(自身を除く): 8617257

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 109, 119, 147, 153, 187, 231, 327, 357, 441, 539, 561, 693, 763, 833, 981, 1071, 1199, 1309, 1617, 1683, 1853, 2289, 2499, 3597, 3927, 4851, 5341, 5559, 6867, 7497, 8393, 9163, 10791, 11781, 12971, 16023, 16677, 20383, 25179, 27489, 38913, 48069, 58751, 61149, 75537, 82467, 90797, 116739, 142681, 176253, 183447, 272391, 428043, 528759, 817173, 998767, 1284129, 2996301, 8988903]

約数ペア:

[(1, 8988903), (3, 2996301), (7, 1284129), (9, 998767), (11, 817173), (17, 528759), (21, 428043), (33, 272391), (49, 183447), (51, 176253), (63, 142681), (77, 116739), (99, 90797), (109, 82467), (119, 75537), (147, 61149), (153, 58751), (187, 48069), (231, 38913), (327, 27489), (357, 25179), (441, 20383), (539, 16677), (561, 16023), (693, 12971), (763, 11781), (833, 10791), (981, 9163), (1071, 8393), (1199, 7497), (1309, 6867), (1617, 5559), (1683, 5341), (1853, 4851), (2289, 3927), (2499, 3597)]