212742693

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{16729}}^1$

素因数の和:16898

約数の個数: 20

約数和(自身を含む): 319844140

約数和(自身を除く): 107101447

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 16729, 50187, 150561, 451683, 1355049, 2626453, 7879359, 23638077, 70914231, 212742693]

約数ペア:

[(1, 212742693), (3, 70914231), (9, 23638077), (27, 7879359), (81, 2626453), (157, 1355049), (471, 451683), (1413, 150561), (4239, 50187), (12717, 16729)]