15763491

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2741}}^1$

素因数の和:2824

約数の個数: 20

約数和(自身を含む): 23888304

約数和(自身を除く): 8124813

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2741, 5751, 8223, 24669, 74007, 194611, 222021, 583833, 1751499, 5254497, 15763491]

約数ペア:

[(1, 15763491), (3, 5254497), (9, 1751499), (27, 583833), (71, 222021), (81, 194611), (213, 74007), (639, 24669), (1917, 8223), (2741, 5751)]