216051651

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2744

約数の個数: 32

約数和(自身を含む): 332259840

約数和(自身を除く): 116208189

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 1161, 1917, 2621, 3053, 7863, 9159, 23589, 27477, 70767, 82431, 112703, 186091, 338109, 558273, 1014327, 1674819, 3042981, 5024457, 8001913, 24005739, 72017217, 216051651]

約数ペア:

[(1, 216051651), (3, 72017217), (9, 24005739), (27, 8001913), (43, 5024457), (71, 3042981), (129, 1674819), (213, 1014327), (387, 558273), (639, 338109), (1161, 186091), (1917, 112703), (2621, 82431), (3053, 70767), (7863, 27477), (9159, 23589)]