67720293

素因数分解:

$3^4\times {\mathrm{797}}^1\times {\mathrm{1049}}^1$

素因数の和:1858

約数の個数: 20

約数和(自身を含む): 101385900

約数和(自身を除く): 33665607

約数列:

[1, 3, 9, 27, 81, 797, 1049, 2391, 3147, 7173, 9441, 21519, 28323, 64557, 84969, 836053, 2508159, 7524477, 22573431, 67720293]

約数ペア:

[(1, 67720293), (3, 22573431), (9, 7524477), (27, 2508159), (81, 836053), (797, 84969), (1049, 64557), (2391, 28323), (3147, 21519), (7173, 9441)]