16120053

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2886

約数の個数: 20

約数和(自身を含む): 24428448

約数和(自身を除く): 8308395

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2803, 5751, 8409, 25227, 75681, 199013, 227043, 597039, 1791117, 5373351, 16120053]

約数ペア:

[(1, 16120053), (3, 5373351), (9, 1791117), (27, 597039), (71, 227043), (81, 199013), (213, 75681), (639, 25227), (1917, 8409), (2803, 5751)]