2615691981

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{12829}}^1$

素因数の和:12938

約数の個数: 48

約数和(自身を含む): 4329355200

約数和(自身を除く): 1713663219

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 399, 511, 931, 1387, 1533, 2793, 3577, 4161, 9709, 10731, 12829, 29127, 38487, 67963, 89803, 203889, 243751, 269409, 628621, 731253, 936517, 1706257, 1885863, 2809551, 5118771, 6555619, 11943799, 17793823, 19666857, 35831397, 45889333, 53381469, 124556761, 137667999, 373670283, 871897327, 2615691981]

約数ペア:

[(1, 2615691981), (3, 871897327), (7, 373670283), (19, 137667999), (21, 124556761), (49, 53381469), (57, 45889333), (73, 35831397), (133, 19666857), (147, 17793823), (219, 11943799), (399, 6555619), (511, 5118771), (931, 2809551), (1387, 1885863), (1533, 1706257), (2793, 936517), (3577, 731253), (4161, 628621), (9709, 269409), (10731, 243751), (12829, 203889), (29127, 89803), (38487, 67963)]