31926783

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 23369217

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 71, 133, 147, 161, 213, 343, 399, 437, 483, 497, 931, 1029, 1127, 1311, 1349, 1491, 1633, 2793, 3059, 3381, 3479, 4047, 4899, 6517, 7889, 9177, 9443, 10437, 11431, 19551, 21413, 23667, 24353, 28329, 31027, 34293, 64239, 66101, 73059, 80017, 93081, 149891, 198303, 217189, 240051, 449673, 462707, 560119, 651567, 1388121, 1520323, 1680357, 4560969, 10642261, 31926783]

約数ペア:

[(1, 31926783), (3, 10642261), (7, 4560969), (19, 1680357), (21, 1520323), (23, 1388121), (49, 651567), (57, 560119), (69, 462707), (71, 449673), (133, 240051), (147, 217189), (161, 198303), (213, 149891), (343, 93081), (399, 80017), (437, 73059), (483, 66101), (497, 64239), (931, 34293), (1029, 31027), (1127, 28329), (1311, 24353), (1349, 23667), (1491, 21413), (1633, 19551), (2793, 11431), (3059, 10437), (3381, 9443), (3479, 9177), (4047, 7889), (4899, 6517)]