531975381

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{9643}}^1$

素因数の和:9761

約数の個数: 32

約数和(自身を含む): 844351488

約数和(自身を除く): 312376107

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 2627, 7881, 9643, 18389, 28929, 55167, 67501, 202503, 356791, 684653, 1070373, 2053959, 2497537, 4792571, 7492611, 14377713, 25332161, 75996483, 177325127, 531975381]

約数ペア:

[(1, 531975381), (3, 177325127), (7, 75996483), (21, 25332161), (37, 14377713), (71, 7492611), (111, 4792571), (213, 2497537), (259, 2053959), (497, 1070373), (777, 684653), (1491, 356791), (2627, 202503), (7881, 67501), (9643, 55167), (18389, 28929)]