1512513

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 20

約数和(自身を含む): 2299968

約数和(自身を除く): 787455

約数列:

[1, 3, 9, 27, 71, 81, 213, 263, 639, 789, 1917, 2367, 5751, 7101, 18673, 21303, 56019, 168057, 504171, 1512513]

約数ペア:

[(1, 1512513), (3, 504171), (9, 168057), (27, 56019), (71, 21303), (81, 18673), (213, 7101), (263, 5751), (639, 2367), (789, 1917)]