165036447

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{28697}}^1$

素因数の和:28780

約数の個数: 20

約数和(自身を含む): 250016976

約数和(自身を除く): 84980529

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 28697, 86091, 258273, 774819, 2037487, 2324457, 6112461, 18337383, 55012149, 165036447]

約数ペア:

[(1, 165036447), (3, 55012149), (9, 18337383), (27, 6112461), (71, 2324457), (81, 2037487), (213, 774819), (639, 258273), (1917, 86091), (5751, 28697)]